642224462 has 16 divisors (see below), whose sum is σ = 1051315200. Its totient is φ = 291808440.

The previous prime is 642224449. The next prime is 642224483. The reversal of 642224462 is 264422246.

It is a congruent number.

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, 87989 + ... + 95007.

It is an arithmetic number, because the mean of its divisors is an integer number (65707200).

Almost surely, 2^642224462 is an apocalyptic number.

642224462 is a deficient number, since it is larger than the sum of its proper divisors (409090738).

642224462 is a wasteful number, since it uses less digits than its factorization.

642224462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191.

The product of its digits is 36864, while the sum is 32.

The square root of 642224462 is about 25342.1479358005. The cubic root of 642224462 is about 862.7711502584.

The spelling of 642224462 in words is "six hundred forty-two million, two hundred twenty-four thousand, four hundred sixty-two".