22700052 has 36 divisors (see below), whose sum is σ = 58326996. Its totient is φ = 7441920.

The previous prime is 22700033. The next prime is 22700071. The reversal of 22700052 is 25000722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22700033) and next prime (22700071).

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 21846276 = 924^2 + 4674^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22699998 and 22700034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2973 + ... + 7364.

Almost surely, 2^22700052 is an apocalyptic number.

It is an amenable number.

22700052 is an abundant number, since it is smaller than the sum of its proper divisors (35626944).

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

22700052 is a wasteful number, since it uses less digits than its factorization.

22700052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408 (or 10403 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 22700052 is about 4764.4571569068. The cubic root of 22700052 is about 283.1450350572.

Adding to 22700052 its reverse (25000722), we get a palindrome (47700774).

The spelling of 22700052 in words is "twenty-two million, seven hundred thousand, fifty-two".