19122152 has 24 divisors (see below), whose sum is σ = 41708610. Its totient is φ = 8195040.

The previous prime is 19122149. The next prime is 19122163. The reversal of 19122152 is 25122191.

It can be written as a sum of positive squares in only one way, i.e., 18957316 + 164836 = 4354^2 + 406^2 .

It is a super-2 number, since 2×19122152² = 731313394222208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23999 + ... + 24782.

Almost surely, 2^19122152 is an apocalyptic number.

It is an amenable number.

19122152 is an abundant number, since it is smaller than the sum of its proper divisors (22586458).

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

19122152 is a wasteful number, since it uses less digits than its factorization.

19122152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48801 (or 48790 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 19122152 is about 4372.8882903637. Note that the first 3 decimals coincide. The cubic root of 19122152 is about 267.4107869153.

The spelling of 19122152 in words is "nineteen million, one hundred twenty-two thousand, one hundred fifty-two".