52222544 has 20 divisors (see below), whose sum is σ = 110379840. Its totient is φ = 23737440.

The previous prime is 52222529. The next prime is 52222549. The reversal of 52222544 is 44522225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148184 + ... + 148535.

It is an arithmetic number, because the mean of its divisors is an integer number (5518992).

Almost surely, 2^52222544 is an apocalyptic number.

It is an amenable number.

52222544 is an abundant number, since it is smaller than the sum of its proper divisors (58157296).

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

52222544 is a wasteful number, since it uses less digits than its factorization.

52222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296738 (or 296732 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 52222544 is about 7226.5167266118. The cubic root of 52222544 is about 373.7828245277.

Adding to 52222544 its reverse (44522225), we get a palindrome (96744769).

The spelling of 52222544 in words is "fifty-two million, two hundred twenty-two thousand, five hundred forty-four".