56422213 has 4 divisors (see below), whose sum is σ = 56576320. Its totient is φ = 56268108.

The previous prime is 56422193. The next prime is 56422237. The reversal of 56422213 is 31222465.

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 56422213 - 2⁵ = 56422181 is a prime.

It is a super-2 number, since 2×56422213² = 6366932239634738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56422253) 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, 76503 + ... + 77236.

It is an arithmetic number, because the mean of its divisors is an integer number (14144080).

Almost surely, 2^56422213 is an apocalyptic number.

It is an amenable number.

56422213 is a deficient number, since it is larger than the sum of its proper divisors (154107).

56422213 is a wasteful number, since it uses less digits than its factorization.

56422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154106.

The product of its digits is 2880, while the sum is 25.

The square root of 56422213 is about 7511.4720927392. The cubic root of 56422213 is about 383.5453354508.

Adding to 56422213 its reverse (31222465), we get a palindrome (87644678).

The spelling of 56422213 in words is "fifty-six million, four hundred twenty-two thousand, two hundred thirteen".