56222423 has 2 divisors, whose sum is σ = 56222424. Its totient is φ = 56222422.

The previous prime is 56222407. The next prime is 56222429. The reversal of 56222423 is 32422265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56222423 - 2⁴ = 56222407 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 56222392 and 56222401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56222429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28111211 + 28111212.

It is an arithmetic number, because the mean of its divisors is an integer number (28111212).

Almost surely, 2^56222423 is an apocalyptic number.

56222423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56222423 is an equidigital number, since it uses as much as digits as its factorization.

56222423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 26.

The square root of 56222423 is about 7498.1613079474. The cubic root of 56222423 is about 383.0920911016.

Adding to 56222423 its reverse (32422265), we get a palindrome (88644688).

The spelling of 56222423 in words is "fifty-six million, two hundred twenty-two thousand, four hundred twenty-three".