56222613 has 16 divisors (see below), whose sum is σ = 83476800. Its totient is φ = 37398960.

The previous prime is 56222591. The next prime is 56222627. The reversal of 56222613 is 31622265.

56222613 is a `hidden beast` number, since 5 + 622 + 26 + 13 = 666.

It is not a de Polignac number, because 56222613 - 2⁶ = 56222549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56222633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11698 + ... + 15788.

It is an arithmetic number, because the mean of its divisors is an integer number (5217300).

Almost surely, 2^56222613 is an apocalyptic number.

It is an amenable number.

56222613 is a deficient number, since it is larger than the sum of its proper divisors (27254187).

56222613 is a wasteful number, since it uses less digits than its factorization.

56222613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609 (or 4603 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 56222613 is about 7498.1739777095. The cubic root of 56222613 is about 383.0925226460.

Adding to 56222613 its reverse (31622265), we get a palindrome (87844878).

The spelling of 56222613 in words is "fifty-six million, two hundred twenty-two thousand, six hundred thirteen".