22052613 has 24 divisors (see below), whose sum is σ = 32771200. Its totient is φ = 13178880.

The previous prime is 22052573. The next prime is 22052617. The reversal of 22052613 is 31625022.

It is not a de Polignac number, because 22052613 - 2⁶ = 22052549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22052613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28293 + ... + 29061.

Almost surely, 2^22052613 is an apocalyptic number.

It is an amenable number.

22052613 is a deficient number, since it is larger than the sum of its proper divisors (10718587).

22052613 is a wasteful number, since it uses less digits than its factorization.

22052613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22052613 is about 4696.0209752513. The cubic root of 22052613 is about 280.4271244745.

Adding to 22052613 its reverse (31625022), we get a palindrome (53677635).

The spelling of 22052613 in words is "twenty-two million, fifty-two thousand, six hundred thirteen".