422513506 has 16 divisors (see below), whose sum is σ = 639774720. Its totient is φ = 209260800.

The previous prime is 422513491. The next prime is 422513513. The reversal of 422513506 is 605315224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263106 + ... + 264706.

It is an arithmetic number, because the mean of its divisors is an integer number (39985920).

Almost surely, 2^422513506 is an apocalyptic number.

422513506 is a deficient number, since it is larger than the sum of its proper divisors (217261214).

422513506 is a wasteful number, since it uses less digits than its factorization.

422513506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 422513506 is about 20555.1333247926. The cubic root of 422513506 is about 750.3781831972.

The spelling of 422513506 in words is "four hundred twenty-two million, five hundred thirteen thousand, five hundred six".