172072202 has 8 divisors (see below), whose sum is σ = 262483200. Its totient is φ = 84577804.

The previous prime is 172072141. The next prime is 172072247. The reversal of 172072202 is 202270271.

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

It is a super-2 number, since 2×172072202² = 59217685402257608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729002 + ... + 729237.

It is an arithmetic number, because the mean of its divisors is an integer number (32810400).

Almost surely, 2^172072202 is an apocalyptic number.

172072202 is a deficient number, since it is larger than the sum of its proper divisors (90410998).

172072202 is a wasteful number, since it uses less digits than its factorization.

172072202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458300.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 172072202 is about 13117.6294352295. The cubic root of 172072202 is about 556.2075829794.

The spelling of 172072202 in words is "one hundred seventy-two million, seventy-two thousand, two hundred two".