422660425 has 48 divisors (see below), whose sum is σ = 595890432. Its totient is φ = 294694400.

The previous prime is 422660389. The next prime is 422660461. The reversal of 422660425 is 524066224.

It is an interprime number because it is at equal distance from previous prime (422660389) and next prime (422660461).

It is not a de Polignac number, because 422660425 - 2¹¹ = 422658377 is a prime.

It is a super-2 number, since 2×422660425² = 357283669722361250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 684717 + ... + 685333.

It is an arithmetic number, because the mean of its divisors is an integer number (12414384).

Almost surely, 2^422660425 is an apocalyptic number.

It is an amenable number.

422660425 is a deficient number, since it is larger than the sum of its proper divisors (173230007).

422660425 is a wasteful number, since it uses less digits than its factorization.

422660425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 422660425 is about 20558.7067929868. The cubic root of 422660425 is about 750.4651484932.

The spelling of 422660425 in words is "four hundred twenty-two million, six hundred sixty thousand, four hundred twenty-five".