2200220651172 has 24 divisors (see below), whose sum is σ = 5170782349600. Its totient is φ = 728130574656.

The previous prime is 2200220651147. The next prime is 2200220651173. The reversal of 2200220651172 is 2711560220022.

It is not an unprimeable number, because it can be changed into a prime (2200220651173) 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, 659536897 + ... + 659540232.

Almost surely, 2^{2200220651172} is an apocalyptic number.

It is an amenable number.

2200220651172 is an abundant number, since it is smaller than the sum of its proper divisors (2970561698428).

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

2200220651172 is a wasteful number, since it uses less digits than its factorization.

2200220651172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319077275 (or 1319077273 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 2200220651172 its reverse (2711560220022), we get a palindrome (4911780871194).

The spelling of 2200220651172 in words is "two trillion, two hundred billion, two hundred twenty million, six hundred fifty-one thousand, one hundred seventy-two".