19122925 has 12 divisors (see below), whose sum is σ = 23887360. Its totient is φ = 15185520.

The previous prime is 19122923. The next prime is 19122947. The reversal of 19122925 is 52922191.

It is not a de Polignac number, because 19122925 - 2¹ = 19122923 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19122923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724 + ... + 6226.

Almost surely, 2^19122925 is an apocalyptic number.

It is an amenable number.

19122925 is a deficient number, since it is larger than the sum of its proper divisors (4764435).

19122925 is a wasteful number, since it uses less digits than its factorization.

19122925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652 (or 5647 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 19122925 is about 4372.9766749892. The cubic root of 19122925 is about 267.4143901666.

The spelling of 19122925 in words is "nineteen million, one hundred twenty-two thousand, nine hundred twenty-five".