22274402577961 has 4 divisors (see below), whose sum is σ = 22478754895300. Its totient is φ = 22070050260624.

The previous prime is 22274402577919. The next prime is 22274402577983. The reversal of 22274402577961 is 16977520447222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16551422902336 + 5722979675625 = 4068344^2 + 2392275^2 .

It is a cyclic number.

It is not a de Polignac number, because 22274402577961 - 2¹⁷ = 22274402446889 is a prime.

It is a super-2 number, since 2×22274402577961² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22274402577896 and 22274402577905.

It is not an unprimeable number, because it can be changed into a prime (22274402577461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102176158506 + ... + 102176158723.

It is an arithmetic number, because the mean of its divisors is an integer number (5619688723825).

Almost surely, 2^{22274402577961} is an apocalyptic number.

It is an amenable number.

22274402577961 is a deficient number, since it is larger than the sum of its proper divisors (204352317339).

22274402577961 is a wasteful number, since it uses less digits than its factorization.

22274402577961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204352317338.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 22274402577961 in words is "twenty-two trillion, two hundred seventy-four billion, four hundred two million, five hundred seventy-seven thousand, nine hundred sixty-one".