22254970761 has 9 divisors (see below), whose sum is σ = 32146715341. Its totient is φ = 14836348812.

The previous prime is 22254970747. The next prime is 22254970783. The reversal of 22254970761 is 16707945222.

The square root of 22254970761 is 149181.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 22254970761 - 2²¹ = 22252873609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22254970741) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 422680 + ... + 472406.

Almost surely, 2^22254970761 is an apocalyptic number.

22254970761 is the 149181-st square number.

22254970761 is the 74591-st centered octagonal number.

It is an amenable number.

22254970761 is a deficient number, since it is larger than the sum of its proper divisors (9891744580).

22254970761 is an frugal number, since it uses more digits than its factorization.

22254970761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99460 (or 49730 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 22254970761 in words is "twenty-two billion, two hundred fifty-four million, nine hundred seventy thousand, seven hundred sixty-one".