222642422040 has 32 divisors (see below), whose sum is σ = 667927266480. Its totient is φ = 59371312512.

The previous prime is 222642422029. The next prime is 222642422077. The reversal of 222642422040 is 40224246222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 222642421989 and 222642422007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927676639 + ... + 927676878.

Almost surely, 2^222642422040 is an apocalyptic number.

222642422040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222642422040 is an abundant number, since it is smaller than the sum of its proper divisors (445284844440).

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

222642422040 is a wasteful number, since it uses less digits than its factorization.

222642422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855353531 (or 1855353527 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 222642422040 its reverse (40224246222), we get a palindrome (262866668262).

The spelling of 222642422040 in words is "two hundred twenty-two billion, six hundred forty-two million, four hundred twenty-two thousand, forty".