501490022 has 32 divisors (see below), whose sum is σ = 859590144. Its totient is φ = 217201600.

The previous prime is 501490001. The next prime is 501490049. The reversal of 501490022 is 220094105.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 501490022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140423 + ... + 143949.

It is an arithmetic number, because the mean of its divisors is an integer number (26862192).

Almost surely, 2^501490022 is an apocalyptic number.

501490022 is a deficient number, since it is larger than the sum of its proper divisors (358100122).

501490022 is a wasteful number, since it uses less digits than its factorization.

501490022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 501490022 is about 22393.9728945089. The cubic root of 501490022 is about 794.4881649320.

The spelling of 501490022 in words is "five hundred one million, four hundred ninety thousand, twenty-two".