422988975 has 36 divisors (see below), whose sum is σ = 790569936. Its totient is φ = 215783040.

The previous prime is 422988971. The next prime is 422988977. The reversal of 422988975 is 579889224.

It is not a de Polignac number, because 422988975 - 2² = 422988971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422988971) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35694 + ... + 46043.

It is an arithmetic number, because the mean of its divisors is an integer number (21960276).

Almost surely, 2^422988975 is an apocalyptic number.

422988975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

422988975 is a deficient number, since it is larger than the sum of its proper divisors (367580961).

422988975 is a wasteful number, since it uses less digits than its factorization.

422988975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81776 (or 81768 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 422988975 is about 20566.6957725348. The cubic root of 422988975 is about 750.6595531495.

The spelling of 422988975 in words is "four hundred twenty-two million, nine hundred eighty-eight thousand, nine hundred seventy-five".