172246252 has 24 divisors (see below), whose sum is σ = 307742400. Its totient is φ = 84331536.

The previous prime is 172246231. The next prime is 172246253. The reversal of 172246252 is 252642271.

It is not an unprimeable number, because it can be changed into a prime (172246253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65499 + ... + 68077.

It is an arithmetic number, because the mean of its divisors is an integer number (12822600).

Almost surely, 2^172246252 is an apocalyptic number.

It is an amenable number.

172246252 is a deficient number, since it is larger than the sum of its proper divisors (135496148).

172246252 is a wasteful number, since it uses less digits than its factorization.

172246252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925 (or 2923 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 172246252 is about 13124.2619602018. The cubic root of 172246252 is about 556.3950533297.

It can be divided in two parts, 1722 and 46252, that added together give a palindrome (47974).

The spelling of 172246252 in words is "one hundred seventy-two million, two hundred forty-six thousand, two hundred fifty-two".