52164222 has 32 divisors (see below), whose sum is σ = 114186240. Its totient is φ = 15755520.

The previous prime is 52164199. The next prime is 52164223. The reversal of 52164222 is 22246125.

It is a happy number.

It is a super-2 number, since 2×52164222² = 5442212113730568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52164192 and 52164201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52164223) 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, 22179 + ... + 24417.

It is an arithmetic number, because the mean of its divisors is an integer number (3568320).

Almost surely, 2^52164222 is an apocalyptic number.

52164222 is an abundant number, since it is smaller than the sum of its proper divisors (62022018).

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

52164222 is a wasteful number, since it uses less digits than its factorization.

52164222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its digits is 1920, while the sum is 24.

The square root of 52164222 is about 7222.4803218839. The cubic root of 52164222 is about 373.6436261371.

The spelling of 52164222 in words is "fifty-two million, one hundred sixty-four thousand, two hundred twenty-two".