646224062 has 16 divisors (see below), whose sum is σ = 1058061312. Its totient is φ = 293570520.

The previous prime is 646224013. The next prime is 646224079. The reversal of 646224062 is 260422646.

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, 36323 + ... + 51105.

It is an arithmetic number, because the mean of its divisors is an integer number (66128832).

Almost surely, 2^646224062 is an apocalyptic number.

646224062 is a deficient number, since it is larger than the sum of its proper divisors (411837250).

646224062 is a wasteful number, since it uses less digits than its factorization.

646224062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16783.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 646224062 is about 25420.9374728785. The cubic root of 646224062 is about 864.5584800549.

The spelling of 646224062 in words is "six hundred forty-six million, two hundred twenty-four thousand, sixty-two".