172752022 has 8 divisors (see below), whose sum is σ = 259183872. Its totient is φ = 86357400.

The previous prime is 172751989. The next prime is 172752023. The reversal of 172752022 is 220257271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×172752022² = 59686522210176968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172752023) 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, 12772 + ... + 22552.

It is an arithmetic number, because the mean of its divisors is an integer number (32397984).

Almost surely, 2^172752022 is an apocalyptic number.

172752022 is a deficient number, since it is larger than the sum of its proper divisors (86431850).

172752022 is an equidigital number, since it uses as much as digits as its factorization.

172752022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18614.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 172752022 is about 13143.5163483750. The cubic root of 172752022 is about 556.9391056903.

The spelling of 172752022 in words is "one hundred seventy-two million, seven hundred fifty-two thousand, twenty-two".