22057613 has 4 divisors (see below), whose sum is σ = 23218560. Its totient is φ = 20896668.

The previous prime is 22057601. The next prime is 22057639. The reversal of 22057613 is 31675022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22057613 - 2¹⁶ = 21992077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057663) 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, 580445 + ... + 580482.

It is an arithmetic number, because the mean of its divisors is an integer number (5804640).

Almost surely, 2^22057613 is an apocalyptic number.

It is an amenable number.

22057613 is a deficient number, since it is larger than the sum of its proper divisors (1160947).

22057613 is a wasteful number, since it uses less digits than its factorization.

22057613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160946.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 22057613 is about 4696.5533106737. The cubic root of 22057613 is about 280.4483166671.

The spelling of 22057613 in words is "twenty-two million, fifty-seven thousand, six hundred thirteen".