56222407 has 2 divisors, whose sum is σ = 56222408. Its totient is φ = 56222406.

The previous prime is 56222399. The next prime is 56222423. The reversal of 56222407 is 70422265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56222407 - 2³ = 56222399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28111203 + 28111204.

It is an arithmetic number, because the mean of its divisors is an integer number (28111204).

Almost surely, 2^56222407 is an apocalyptic number.

56222407 is a deficient number, since it is larger than the sum of its proper divisors (1).

56222407 is an equidigital number, since it uses as much as digits as its factorization.

56222407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 56222407 is about 7498.1602410191. The cubic root of 56222407 is about 383.0920547610.

The spelling of 56222407 in words is "fifty-six million, two hundred twenty-two thousand, four hundred seven".