522225146 has 16 divisors (see below), whose sum is σ = 832736160. Its totient is φ = 244918800.

The previous prime is 522225139. The next prime is 522225149. The reversal of 522225146 is 641522225.

It is a super-2 number, since 2×522225146² = 545438206229442632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522225149) 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, 64196 + ... + 71871.

It is an arithmetic number, because the mean of its divisors is an integer number (52046010).

Almost surely, 2^522225146 is an apocalyptic number.

522225146 is a deficient number, since it is larger than the sum of its proper divisors (310511014).

522225146 is a wasteful number, since it uses less digits than its factorization.

522225146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136189.

The product of its digits is 9600, while the sum is 29.

The square root of 522225146 is about 22852.2459727704. The cubic root of 522225146 is about 805.2905325809.

The spelling of 522225146 in words is "five hundred twenty-two million, two hundred twenty-five thousand, one hundred forty-six".