422625502451 has 4 divisors (see below), whose sum is σ = 432454002552. Its totient is φ = 412797002352.

The previous prime is 422625502447. The next prime is 422625502469. The reversal of 422625502451 is 154205526224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422625502451 - 2² = 422625502447 is a prime.

It is a super-2 number, since 2×422625502451² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422625504451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4914249986 + ... + 4914250071.

It is an arithmetic number, because the mean of its divisors is an integer number (108113500638).

Almost surely, 2^422625502451 is an apocalyptic number.

422625502451 is a deficient number, since it is larger than the sum of its proper divisors (9828500101).

422625502451 is an equidigital number, since it uses as much as digits as its factorization.

422625502451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828500100.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 422625502451 in words is "four hundred twenty-two billion, six hundred twenty-five million, five hundred two thousand, four hundred fifty-one".