501922225 has 24 divisors (see below), whose sum is σ = 712226240. Its totient is φ = 343725120.

The previous prime is 501922199. The next prime is 501922247. The reversal of 501922225 is 522229105.

It is a de Polignac number, because none of the positive numbers 2^k-501922225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501922193 and 501922202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185734 + ... + 188416.

Almost surely, 2^501922225 is an apocalyptic number.

It is an amenable number.

501922225 is a deficient number, since it is larger than the sum of its proper divisors (210304015).

501922225 is a wasteful number, since it uses less digits than its factorization.

501922225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 501922225 is about 22403.6208011116. The cubic root of 501922225 is about 794.7163393419.

The spelling of 501922225 in words is "five hundred one million, nine hundred twenty-two thousand, two hundred twenty-five".