2222545082961 has 32 divisors (see below), whose sum is σ = 3420482962176. Its totient is φ = 1257372000000.

The previous prime is 2222545082909. The next prime is 2222545082963. The reversal of 2222545082961 is 1692805452222.

It is not a de Polignac number, because 2222545082961 - 2¹⁰ = 2222545081937 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222545082961.

It is not an unprimeable number, because it can be changed into a prime (2222545082963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56188851 + ... + 56228391.

It is an arithmetic number, because the mean of its divisors is an integer number (106890092568).

Almost surely, 2^{2222545082961} is an apocalyptic number.

2222545082961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2222545082961 is a deficient number, since it is larger than the sum of its proper divisors (1197937879215).

2222545082961 is a wasteful number, since it uses less digits than its factorization.

2222545082961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66153.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 2222545082961 in words is "two trillion, two hundred twenty-two billion, five hundred forty-five million, eighty-two thousand, nine hundred sixty-one".