172199190 has 16 divisors (see below), whose sum is σ = 413278128. Its totient is φ = 45919776.

The previous prime is 172199161. The next prime is 172199191. The reversal of 172199190 is 91991271.

It is a super-2 number, since 2×172199190² = 59305122073312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172199191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869957 + ... + 2870016.

It is an arithmetic number, because the mean of its divisors is an integer number (25829883).

Almost surely, 2^172199190 is an apocalyptic number.

172199190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172199190 is an abundant number, since it is smaller than the sum of its proper divisors (241078938).

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

172199190 is a wasteful number, since it uses less digits than its factorization.

172199190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739983.

The product of its (nonzero) digits is 10206, while the sum is 39.

The square root of 172199190 is about 13122.4688988010. The cubic root of 172199190 is about 556.3443750152.

The spelling of 172199190 in words is "one hundred seventy-two million, one hundred ninety-nine thousand, one hundred ninety".