220155402025522 has 16 divisors (see below), whose sum is σ = 344021256583200. Its totient is φ = 105572660745760.

The previous prime is 220155402025499. The next prime is 220155402025529. The reversal of 220155402025522 is 225520204551022.

It is not an unprimeable number, because it can be changed into a prime (220155402025529) 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, 22752723772 + ... + 22752733447.

It is an arithmetic number, because the mean of its divisors is an integer number (21501328536450).

Almost surely, 2^{220155402025522} is an apocalyptic number.

220155402025522 is a deficient number, since it is larger than the sum of its proper divisors (123865854557678).

220155402025522 is a wasteful number, since it uses less digits than its factorization.

220155402025522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45505457321.

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 220155402025522 its reverse (225520204551022), we get a palindrome (445675606576544).

The spelling of 220155402025522 in words is "two hundred twenty trillion, one hundred fifty-five billion, four hundred two million, twenty-five thousand, five hundred twenty-two".