522313340 has 12 divisors (see below), whose sum is σ = 1096858056. Its totient is φ = 208925328.

The previous prime is 522313339. The next prime is 522313361. The reversal of 522313340 is 43313225.

It is a super-2 number, since 2×522313340² = 545622450283911200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13057814 + ... + 13057853.

It is an arithmetic number, because the mean of its divisors is an integer number (91404838).

Almost surely, 2^522313340 is an apocalyptic number.

It is an amenable number.

522313340 is an abundant number, since it is smaller than the sum of its proper divisors (574544716).

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

522313340 is a wasteful number, since it uses less digits than its factorization.

522313340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26115676 (or 26115674 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 522313340 is about 22854.1755484638. The cubic root of 522313340 is about 805.3358628349.

Adding to 522313340 its reverse (43313225), we get a palindrome (565626565).

The spelling of 522313340 in words is "five hundred twenty-two million, three hundred thirteen thousand, three hundred forty".