225223646322522 has 64 divisors (see below), whose sum is σ = 474465718540800. Its totient is φ = 71076669289920.

The previous prime is 225223646322517. The next prime is 225223646322641.

It is a happy number.

225223646322522 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×225223646322522² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1238143197 + ... + 1238325087.

It is an arithmetic number, because the mean of its divisors is an integer number (7413526852200).

Almost surely, 2^{225223646322522} is an apocalyptic number.

225223646322522 is an abundant number, since it is smaller than the sum of its proper divisors (249242072218278).

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

225223646322522 is a wasteful number, since it uses less digits than its factorization.

225223646322522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188971.

The product of its digits is 8294400, while the sum is 48.

The spelling of 225223646322522 in words is "two hundred twenty-five trillion, two hundred twenty-three billion, six hundred forty-six million, three hundred twenty-two thousand, five hundred twenty-two".