53238222 has 40 divisors (see below), whose sum is σ = 123152832. Its totient is φ = 17172000.

The previous prime is 53238193. The next prime is 53238233. The reversal of 53238222 is 22283235.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 279 + ... + 10322.

Almost surely, 2^53238222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53238222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61576416).

53238222 is an abundant number, since it is smaller than the sum of its proper divisors (69914610).

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

53238222 is a wasteful number, since it uses less digits than its factorization.

53238222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646 (or 10637 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 53238222 is about 7296.4526997713. The cubic root of 53238222 is about 376.1905204299.

The spelling of 53238222 in words is "fifty-three million, two hundred thirty-eight thousand, two hundred twenty-two".