52623222 has 16 divisors (see below), whose sum is σ = 106289712. Its totient is φ = 17367200.

The previous prime is 52623209. The next prime is 52623227. The reversal of 52623222 is 22232625.

It is a super-2 number, since 2×52623222² = 5538406987322568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52623192 and 52623201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52623227) 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, 42813 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (6643107).

Almost surely, 2^52623222 is an apocalyptic number.

52623222 is an abundant number, since it is smaller than the sum of its proper divisors (53666490).

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

52623222 is a wasteful number, since it uses less digits than its factorization.

52623222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86943.

The product of its digits is 2880, while the sum is 24.

The square root of 52623222 is about 7254.1865153854. The cubic root of 52623222 is about 374.7363408893.

Adding to 52623222 its reverse (22232625), we get a palindrome (74855847).

The spelling of 52623222 in words is "fifty-two million, six hundred twenty-three thousand, two hundred twenty-two".