668022074 has 16 divisors (see below), whose sum is σ = 1057354560. Its totient is φ = 315897120.

The previous prime is 668022067. The next prime is 668022101. The reversal of 668022074 is 470220866.

It is a super-2 number, since 2×668022074² = 892506982702522952, which contains 22 as substring.

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, 77492 + ... + 85679.

It is an arithmetic number, because the mean of its divisors is an integer number (66084660).

Almost surely, 2^668022074 is an apocalyptic number.

668022074 is a deficient number, since it is larger than the sum of its proper divisors (389332486).

668022074 is a wasteful number, since it uses less digits than its factorization.

668022074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163285.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 668022074 is about 25846.1229974633. The cubic root of 668022074 is about 874.1720926529.

The spelling of 668022074 in words is "six hundred sixty-eight million, twenty-two thousand, seventy-four".