222055010208172 has 12 divisors (see below), whose sum is σ = 388701265530816. Its totient is φ = 110997505770800.

The previous prime is 222055010208131. The next prime is 222055010208179. The reversal of 222055010208172 is 271802010550222.

It is a super-2 number, since 2×222055010208172² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222055010208179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7499816668 + ... + 7499846275.

It is an arithmetic number, because the mean of its divisors is an integer number (32391772127568).

Almost surely, 2^{222055010208172} is an apocalyptic number.

It is an amenable number.

222055010208172 is a deficient number, since it is larger than the sum of its proper divisors (166646255322644).

222055010208172 is a wasteful number, since it uses less digits than its factorization.

222055010208172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14999666648 (or 14999666646 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

Adding to 222055010208172 its reverse (271802010550222), we get a palindrome (493857020758394).

The spelling of 222055010208172 in words is "two hundred twenty-two trillion, fifty-five billion, ten million, two hundred eight thousand, one hundred seventy-two".