52398222 has 16 divisors (see below), whose sum is σ = 104872320. Its totient is φ = 17453432.

The previous prime is 52398211. The next prime is 52398223. The reversal of 52398222 is 22289325.

52398222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52398222² = 5491147337522568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52398223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10093 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (6554520).

Almost surely, 2^52398222 is an apocalyptic number.

52398222 is an abundant number, since it is smaller than the sum of its proper divisors (52474098).

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

52398222 is a wasteful number, since it uses less digits than its factorization.

52398222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6327.

The product of its digits is 17280, while the sum is 33.

The square root of 52398222 is about 7238.6616166250. The cubic root of 52398222 is about 374.2014937966.

The spelling of 52398222 in words is "fifty-two million, three hundred ninety-eight thousand, two hundred twenty-two".