222523342140 has 96 divisors (see below), whose sum is σ = 680164128000. Its totient is φ = 53908825600.

The previous prime is 222523342123. The next prime is 222523342157. The reversal of 222523342140 is 41243325222.

It is an interprime number because it is at equal distance from previous prime (222523342123) and next prime (222523342157).

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 = 222523342098 and 222523342107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 876880 + ... + 1101800.

It is an arithmetic number, because the mean of its divisors is an integer number (7085043000).

Almost surely, 2^222523342140 is an apocalyptic number.

222523342140 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 222523342140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340082064000).

222523342140 is an abundant number, since it is smaller than the sum of its proper divisors (457640785860).

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

222523342140 is a wasteful number, since it uses less digits than its factorization.

222523342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226443 (or 226441 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 222523342140 its reverse (41243325222), we get a palindrome (263766667362).

The spelling of 222523342140 in words is "two hundred twenty-two billion, five hundred twenty-three million, three hundred forty-two thousand, one hundred forty".