5398221925 has 12 divisors (see below), whose sum is σ = 6698447140. Its totient is φ = 4315576320.

The previous prime is 5398221919. The next prime is 5398221937. The reversal of 5398221925 is 5291228935.

It can be written as a sum of positive squares in 6 ways, for example, as 56220004 + 5342001921 = 7498^2 + 73089^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5398221925 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 37980 + ... + 110629.

Almost surely, 2^5398221925 is an apocalyptic number.

It is an amenable number.

5398221925 is a deficient number, since it is larger than the sum of its proper divisors (1300225215).

5398221925 is a wasteful number, since it uses less digits than its factorization.

5398221925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150072 (or 150067 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 5398221925 is about 73472.5930194382. The cubic root of 5398221925 is about 1754.2180616837.

The spelling of 5398221925 in words is "five billion, three hundred ninety-eight million, two hundred twenty-one thousand, nine hundred twenty-five".