172422552 has 16 divisors (see below), whose sum is σ = 431056440. Its totient is φ = 57474176.

The previous prime is 172422529. The next prime is 172422571. The reversal of 172422552 is 255224271.

172422552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3592113 + ... + 3592160.

Almost surely, 2^172422552 is an apocalyptic number.

172422552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172422552 is an abundant number, since it is smaller than the sum of its proper divisors (258633888).

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

172422552 is a wasteful number, since it uses less digits than its factorization.

172422552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184282 (or 7184278 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 172422552 is about 13130.9768105804. The cubic root of 172422552 is about 556.5848184649.

The spelling of 172422552 in words is "one hundred seventy-two million, four hundred twenty-two thousand, five hundred fifty-two".