172247468 has 36 divisors (see below), whose sum is σ = 323381520. Its totient is φ = 80255232.

The previous prime is 172247447. The next prime is 172247473. The reversal of 172247468 is 864742271.

It is a happy number.

It is a super-2 number, since 2×172247468² = 59338380464822048, 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 11 ways as a sum of consecutive naturals, for example, 125321 + ... + 126687.

It is an arithmetic number, because the mean of its divisors is an integer number (8982820).

Almost surely, 2^172247468 is an apocalyptic number.

It is an amenable number.

172247468 is a deficient number, since it is larger than the sum of its proper divisors (151134052).

172247468 is a wasteful number, since it uses less digits than its factorization.

172247468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1495 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 172247468 is about 13124.3082865346. The cubic root of 172247468 is about 556.3963626466.

The spelling of 172247468 in words is "one hundred seventy-two million, two hundred forty-seven thousand, four hundred sixty-eight".