422292620421 has 40 divisors (see below), whose sum is σ = 721250961024. Its totient is φ = 241209692640.

The previous prime is 422292620389. The next prime is 422292620513. The reversal of 422292620421 is 124026292224.

422292620421 is a `hidden beast` number, since 4 + 2 + 2 + 2 + 9 + 2 + 620 + 4 + 21 = 666.

It is not a de Polignac number, because 422292620421 - 2⁵ = 422292620389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422292620021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1220151 + ... + 1527531.

Almost surely, 2^422292620421 is an apocalyptic number.

It is an amenable number.

422292620421 is a deficient number, since it is larger than the sum of its proper divisors (298958340603).

422292620421 is a wasteful number, since it uses less digits than its factorization.

422292620421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309823 (or 309814 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 422292620421 in words is "four hundred twenty-two billion, two hundred ninety-two million, six hundred twenty thousand, four hundred twenty-one".