22613443 has 4 divisors (see below), whose sum is σ = 22630120. Its totient is φ = 22596768.

The previous prime is 22613441. The next prime is 22613453. The reversal of 22613443 is 34431622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34431622 = 2 ⋅17215811.

It is a cyclic number.

It is not a de Polignac number, because 22613443 - 2¹ = 22613441 is a prime.

It is a super-2 number, since 2×22613443² = 1022735608628498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22613441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (5657530).

Almost surely, 2^22613443 is an apocalyptic number.

22613443 is a deficient number, since it is larger than the sum of its proper divisors (16677).

22613443 is a wasteful number, since it uses less digits than its factorization.

22613443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676.

The product of its digits is 3456, while the sum is 25.

The square root of 22613443 is about 4755.3593975640. The cubic root of 22613443 is about 282.7844754930.

The spelling of 22613443 in words is "twenty-two million, six hundred thirteen thousand, four hundred forty-three".