222165431012600 has 48 divisors (see below), whose sum is σ = 516562194622320. Its totient is φ = 88861429606400.

The previous prime is 222165431012521. The next prime is 222165431012621. The reversal of 222165431012600 is 6210134561222.

It is a super-2 number, since 2×222165431012600² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25884521 + ... + 33381720.

It is an arithmetic number, because the mean of its divisors is an integer number (10761712387965).

Almost surely, 2^{222165431012600} is an apocalyptic number.

222165431012600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222165431012600 is an abundant number, since it is smaller than the sum of its proper divisors (294396763609720).

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

222165431012600 is a wasteful number, since it uses less digits than its factorization.

222165431012600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59285000 (or 59284991 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 222165431012600 its reverse (6210134561222), we get a palindrome (228375565573822).

The spelling of 222165431012600 in words is "two hundred twenty-two trillion, one hundred sixty-five billion, four hundred thirty-one million, twelve thousand, six hundred".