500000022 has 24 divisors (see below), whose sum is σ = 1147059576. Its totient is φ = 156862656.

The previous prime is 500000009. The next prime is 500000041. The reversal of 500000022 is 220000005.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 816688 + ... + 817299.

It is an arithmetic number, because the mean of its divisors is an integer number (47794149).

Almost surely, 2^500000022 is an apocalyptic number.

500000022 is an abundant number, since it is smaller than the sum of its proper divisors (647059554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500000022 is a wasteful number, since it uses less digits than its factorization.

500000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634012 (or 1634009 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 500000022 is about 22360.6802669328. The cubic root of 500000022 is about 793.7005376250.

Adding to 500000022 its reverse (220000005), we get a palindrome (720000027).

The spelling of 500000022 in words is "five hundred million, twenty-two", and thus it is an aban number.