22613042 has 4 divisors (see below), whose sum is σ = 33919566. Its totient is φ = 11306520.

The previous prime is 22613029. The next prime is 22613047. The reversal of 22613042 is 24031622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24031622 = 2 ⋅12015811.

It can be written as a sum of positive squares in only one way, i.e., 16654561 + 5958481 = 4081^2 + 2441^2 .

It is a super-2 number, since 2×22613042² = 1022699336987528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22613047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5653259 + ... + 5653262.

Almost surely, 2^22613042 is an apocalyptic number.

22613042 is a deficient number, since it is larger than the sum of its proper divisors (11306524).

22613042 is a wasteful number, since it uses less digits than its factorization.

22613042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11306523.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22613042 is about 4755.3172344230. The cubic root of 22613042 is about 282.7828039615.

Adding to 22613042 its reverse (24031622), we get a palindrome (46644664).

It can be divided in two parts, 226 and 13042, that multiplied together give a palindrome (2947492).

The spelling of 22613042 in words is "twenty-two million, six hundred thirteen thousand, forty-two".