522722403 has 96 divisors (see below), whose sum is σ = 966131712. Its totient is φ = 275853600.

The previous prime is 522722401. The next prime is 522722429. The reversal of 522722403 is 304227225.

It is not a de Polignac number, because 522722403 - 2¹ = 522722401 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (522722401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1212598 + ... + 1213028.

It is an arithmetic number, because the mean of its divisors is an integer number (10063872).

Almost surely, 2^522722403 is an apocalyptic number.

522722403 is a deficient number, since it is larger than the sum of its proper divisors (443409309).

522722403 is a wasteful number, since it uses less digits than its factorization.

522722403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 522722403 is about 22863.1232118449. The cubic root of 522722403 is about 805.5460477405.

Adding to 522722403 its reverse (304227225), we get a palindrome (826949628).

The spelling of 522722403 in words is "five hundred twenty-two million, seven hundred twenty-two thousand, four hundred three".