55222627 has 2 divisors, whose sum is σ = 55222628. Its totient is φ = 55222626.

The previous prime is 55222577. The next prime is 55222633. The reversal of 55222627 is 72622255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55222627 - 2²³ = 46834019 is a prime.

It is a super-2 number, since 2×55222627² = 6099077065562258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55222637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27611313 + 27611314.

It is an arithmetic number, because the mean of its divisors is an integer number (27611314).

Almost surely, 2^55222627 is an apocalyptic number.

55222627 is a deficient number, since it is larger than the sum of its proper divisors (1).

55222627 is an equidigital number, since it uses as much as digits as its factorization.

55222627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 55222627 is about 7431.1928382999. The cubic root of 55222627 is about 380.8076703953.

The spelling of 55222627 in words is "fifty-five million, two hundred twenty-two thousand, six hundred twenty-seven".