3222211616725 has 6 divisors (see below), whose sum is σ = 3995542404770. Its totient is φ = 2577769293360.

The previous prime is 3222211616707. The next prime is 3222211616749. The reversal of 3222211616725 is 5276161122223.

It can be written as a sum of positive squares in 3 ways, for example, as 15841494769 + 3206370121956 = 125863^2 + 1790634^2 .

It is not a de Polignac number, because 3222211616725 - 2⁵ = 3222211616693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64444232310 + ... + 64444232359.

Almost surely, 2^{3222211616725} is an apocalyptic number.

It is an amenable number.

3222211616725 is a deficient number, since it is larger than the sum of its proper divisors (773330788045).

3222211616725 is a wasteful number, since it uses less digits than its factorization.

3222211616725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128888464679 (or 128888464674 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

Adding to 3222211616725 its reverse (5276161122223), we get a palindrome (8498372738948).

The spelling of 3222211616725 in words is "three trillion, two hundred twenty-two billion, two hundred eleven million, six hundred sixteen thousand, seven hundred twenty-five".