63622147 has 2 divisors, whose sum is σ = 63622148. Its totient is φ = 63622146.

The previous prime is 63622121. The next prime is 63622151. The reversal of 63622147 is 74122636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63622147 - 2²³ = 55233539 is a prime.

It is not a weakly prime, because it can be changed into another prime (63622547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31811073 + 31811074.

It is an arithmetic number, because the mean of its divisors is an integer number (31811074).

Almost surely, 2^63622147 is an apocalyptic number.

63622147 is a deficient number, since it is larger than the sum of its proper divisors (1).

63622147 is an equidigital number, since it uses as much as digits as its factorization.

63622147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 63622147 is about 7976.3492275602. The cubic root of 63622147 is about 399.2112519636.

The spelling of 63622147 in words is "sixty-three million, six hundred twenty-two thousand, one hundred forty-seven".