522223493 has 32 divisors (see below), whose sum is σ = 641571840. Its totient is φ = 418901760.

The previous prime is 522223477. The next prime is 522223517. The reversal of 522223493 is 394322225.

It is not a de Polignac number, because 522223493 - 2⁴ = 522223477 is a prime.

It is a super-2 number, since 2×522223493² = 545434753282242098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522223193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365246 + ... + 366672.

It is an arithmetic number, because the mean of its divisors is an integer number (20049120).

Almost surely, 2^522223493 is an apocalyptic number.

It is an amenable number.

522223493 is a deficient number, since it is larger than the sum of its proper divisors (119348347).

522223493 is a wasteful number, since it uses less digits than its factorization.

522223493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its digits is 25920, while the sum is 32.

The square root of 522223493 is about 22852.2098056184. The cubic root of 522223493 is about 805.2896829176.

The spelling of 522223493 in words is "five hundred twenty-two million, two hundred twenty-three thousand, four hundred ninety-three".