504221667 has 16 divisors (see below), whose sum is σ = 676354560. Its totient is φ = 334125792.

The previous prime is 504221659. The next prime is 504221689. The reversal of 504221667 is 766122405.

It is not a de Polignac number, because 504221667 - 2³ = 504221659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504221167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460773 + ... + 461865.

It is an arithmetic number, because the mean of its divisors is an integer number (42272160).

Almost surely, 2^504221667 is an apocalyptic number.

504221667 is a deficient number, since it is larger than the sum of its proper divisors (172132893).

504221667 is a wasteful number, since it uses less digits than its factorization.

504221667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 504221667 is about 22454.8806944058. The cubic root of 504221667 is about 795.9280945417.

The spelling of 504221667 in words is "five hundred four million, two hundred twenty-one thousand, six hundred sixty-seven".