2259398172 has 24 divisors (see below), whose sum is σ = 5441992192. Its totient is φ = 728838000.

The previous prime is 2259398171. The next prime is 2259398173. The reversal of 2259398172 is 2718939522.

2259398172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2259398171) and next prime (2259398173).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259398171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036454 + ... + 3037197.

Almost surely, 2^2259398172 is an apocalyptic number.

It is an amenable number.

2259398172 is an abundant number, since it is smaller than the sum of its proper divisors (3182594020).

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

2259398172 is a wasteful number, since it uses less digits than its factorization.

2259398172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073689 (or 6073687 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 2259398172 is about 47533.1271010019. The cubic root of 2259398172 is about 1312.1926204092.

The spelling of 2259398172 in words is "two billion, two hundred fifty-nine million, three hundred ninety-eight thousand, one hundred seventy-two".