172822012 has 24 divisors (see below), whose sum is σ = 332462592. Its totient is φ = 77953200.

The previous prime is 172822003. The next prime is 172822021. The reversal of 172822012 is 210228271.

It is an interprime number because it is at equal distance from previous prime (172822003) and next prime (172822021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9228 + ... + 20755.

It is an arithmetic number, because the mean of its divisors is an integer number (13852608).

Almost surely, 2^172822012 is an apocalyptic number.

It is an amenable number.

172822012 is a deficient number, since it is larger than the sum of its proper divisors (159640580).

172822012 is a wasteful number, since it uses less digits than its factorization.

172822012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30129 (or 30127 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 172822012 is about 13146.1786082496. The cubic root of 172822012 is about 557.0143096436.

The spelling of 172822012 in words is "one hundred seventy-two million, eight hundred twenty-two thousand, twelve".