22428022648261 has 8 divisors (see below), whose sum is σ = 22505763354048. Its totient is φ = 22350318000000.

The previous prime is 22428022648231. The next prime is 22428022648271. The reversal of 22428022648261 is 16284622082422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22428022648261 - 2²⁷ = 22427888430533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22428022648231) 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, 7767915 + ... + 10256536.

It is an arithmetic number, because the mean of its divisors is an integer number (2813220419256).

Almost surely, 2^{22428022648261} is an apocalyptic number.

It is an amenable number.

22428022648261 is a deficient number, since it is larger than the sum of its proper divisors (77740705787).

22428022648261 is a wasteful number, since it uses less digits than its factorization.

22428022648261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18028763.

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 22428022648261 in words is "twenty-two trillion, four hundred twenty-eight billion, twenty-two million, six hundred forty-eight thousand, two hundred sixty-one".