56622229 has 2 divisors, whose sum is σ = 56622230. Its totient is φ = 56622228.

The previous prime is 56622217. The next prime is 56622253. The reversal of 56622229 is 92222665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56280004 + 342225 = 7502^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 56622229 - 2¹⁷ = 56491157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56622194 and 56622203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56622329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28311114 + 28311115.

It is an arithmetic number, because the mean of its divisors is an integer number (28311115).

Almost surely, 2^56622229 is an apocalyptic number.

It is an amenable number.

56622229 is a deficient number, since it is larger than the sum of its proper divisors (1).

56622229 is an equidigital number, since it uses as much as digits as its factorization.

56622229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 56622229 is about 7524.7743487762. The cubic root of 56622229 is about 383.9980219986.

The spelling of 56622229 in words is "fifty-six million, six hundred twenty-two thousand, two hundred twenty-nine".