522254478 has 16 divisors (see below), whose sum is σ = 1044853200. Its totient is φ = 174027456.

The previous prime is 522254477. The next prime is 522254503. The reversal of 522254478 is 874452225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522254477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8076 + ... + 33312.

It is an arithmetic number, because the mean of its divisors is an integer number (65303325).

Almost surely, 2^522254478 is an apocalyptic number.

522254478 is an abundant number, since it is smaller than the sum of its proper divisors (522598722).

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

522254478 is a wasteful number, since it uses less digits than its factorization.

522254478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28691.

The product of its digits is 179200, while the sum is 39.

The square root of 522254478 is about 22852.8877387520. The cubic root of 522254478 is about 805.3056093091.

The spelling of 522254478 in words is "five hundred twenty-two million, two hundred fifty-four thousand, four hundred seventy-eight".