222251233111320 has 64 divisors (see below), whose sum is σ = 762004227813120. Its totient is φ = 50800281853824.

The previous prime is 222251233111319. The next prime is 222251233111321. The reversal of 222251233111320 is 23111332152222.

It is an interprime number because it is at equal distance from previous prime (222251233111319) and next prime (222251233111321).

It is a super-2 number, since 2×222251233111320² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222251233111321) 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 15 ways as a sum of consecutive naturals, for example, 132292399822 + ... + 132292401501.

It is an arithmetic number, because the mean of its divisors is an integer number (11906316059580).

Almost surely, 2^{222251233111320} is an apocalyptic number.

222251233111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222251233111320 is an abundant number, since it is smaller than the sum of its proper divisors (539752994701800).

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

222251233111320 is a wasteful number, since it uses less digits than its factorization.

222251233111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264584801344 (or 264584801340 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 222251233111320 its reverse (23111332152222), we get a palindrome (245362565263542).

The spelling of 222251233111320 in words is "two hundred twenty-two trillion, two hundred fifty-one billion, two hundred thirty-three million, one hundred eleven thousand, three hundred twenty".