522002272 has 96 divisors (see below), whose sum is σ = 1202511744. Its totient is φ = 220416000.

The previous prime is 522002269. The next prime is 522002287. The reversal of 522002272 is 272200225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 496147 + ... + 497197.

It is an arithmetic number, because the mean of its divisors is an integer number (12526164).

Almost surely, 2^522002272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522002272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601255872).

522002272 is an abundant number, since it is smaller than the sum of its proper divisors (680509472).

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

522002272 is a wasteful number, since it uses less digits than its factorization.

522002272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 522002272 is about 22847.3690389069. The cubic root of 522002272 is about 805.1759562901.

Adding to 522002272 its reverse (272200225), we get a palindrome (794202497).

The spelling of 522002272 in words is "five hundred twenty-two million, two thousand, two hundred seventy-two".