55222327 has 2 divisors, whose sum is σ = 55222328. Its totient is φ = 55222326.

The previous prime is 55222313. The next prime is 55222339. The reversal of 55222327 is 72322255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55222327 - 2⁷ = 55222199 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55222295 and 55222304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55222357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27611163 + 27611164.

It is an arithmetic number, because the mean of its divisors is an integer number (27611164).

Almost surely, 2^55222327 is an apocalyptic number.

55222327 is a deficient number, since it is larger than the sum of its proper divisors (1).

55222327 is an equidigital number, since it uses as much as digits as its factorization.

55222327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 28.

The square root of 55222327 is about 7431.1726530878. The cubic root of 55222327 is about 380.8069808078.

The spelling of 55222327 in words is "fifty-five million, two hundred twenty-two thousand, three hundred twenty-seven".