222340422120040 has 128 divisors (see below), whose sum is σ = 572813361964800. Its totient is φ = 76086906255360.

The previous prime is 222340422120031. The next prime is 222340422120049. The reversal of 222340422120040 is 40021224043222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222340422120031) and next prime (222340422120049).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 222340422119990 and 222340422120008.

It is not an unprimeable number, because it can be changed into a prime (222340422120049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3204225666 + ... + 3204295054.

It is an arithmetic number, because the mean of its divisors is an integer number (4475104390350).

Almost surely, 2^{222340422120040} is an apocalyptic number.

222340422120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222340422120040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286406680982400).

222340422120040 is an abundant number, since it is smaller than the sum of its proper divisors (350472939844760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222340422120040 is a wasteful number, since it uses less digits than its factorization.

222340422120040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90875 (or 90871 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 222340422120040 its reverse (40021224043222), we get a palindrome (262361646163262).

The spelling of 222340422120040 in words is "two hundred twenty-two trillion, three hundred forty billion, four hundred twenty-two million, one hundred twenty thousand, forty".