52522230 has 32 divisors (see below), whose sum is σ = 129130848. Its totient is φ = 13664000.

The previous prime is 52522229. The next prime is 52522237. The reversal of 52522230 is 3222525.

It is a junction number, because it is equal to n+sod(n) for n = 52522197 and 52522206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52522237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20121 + ... + 22580.

It is an arithmetic number, because the mean of its divisors is an integer number (4035339).

Almost surely, 2^52522230 is an apocalyptic number.

52522230 is an abundant number, since it is smaller than the sum of its proper divisors (76608618).

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

52522230 is a wasteful number, since it uses less digits than its factorization.

52522230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42752.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52522230 is about 7247.2222264810. Note that the first 5 decimals coincide. The cubic root of 52522230 is about 374.4964619455.

Adding to 52522230 its reverse (3222525), we get a palindrome (55744755).

The spelling of 52522230 in words is "fifty-two million, five hundred twenty-two thousand, two hundred thirty".