5398221924 has 18 divisors (see below), whose sum is σ = 13645505510. Its totient is φ = 1799407296.

The previous prime is 5398221919. The next prime is 5398221937. The reversal of 5398221924 is 4291228935.

5398221924 is a `hidden beast` number, since 539 + 8 + 2 + 21 + 92 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3657830400 + 1740391524 = 60480^2 + 41718^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 5398221924.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74975269 + ... + 74975340.

Almost surely, 2^5398221924 is an apocalyptic number.

It is an amenable number.

5398221924 is an abundant number, since it is smaller than the sum of its proper divisors (8247283586).

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

5398221924 is a wasteful number, since it uses less digits than its factorization.

5398221924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149950619 (or 149950614 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 5398221924 is about 73472.5930126329. The cubic root of 5398221924 is about 1754.2180615754.

The spelling of 5398221924 in words is "five billion, three hundred ninety-eight million, two hundred twenty-one thousand, nine hundred twenty-four".