172088422244 has 12 divisors (see below), whose sum is σ = 302354560368. Its totient is φ = 85701405000.

The previous prime is 172088422213. The next prime is 172088422321. The reversal of 172088422244 is 442224880271.

It is a super-2 number, since 2×172088422244² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172088422195 and 172088422204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85700402 + ... + 85702409.

It is an arithmetic number, because the mean of its divisors is an integer number (25196213364).

Almost surely, 2^172088422244 is an apocalyptic number.

It is an amenable number.

172088422244 is a deficient number, since it is larger than the sum of its proper divisors (130266138124).

172088422244 is a wasteful number, since it uses less digits than its factorization.

172088422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171403066 (or 171403064 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 44.

The spelling of 172088422244 in words is "one hundred seventy-two billion, eighty-eight million, four hundred twenty-two thousand, two hundred forty-four".