22984976890225 has 27 divisors (see below), whose sum is σ = 33154898504907. Its totient is φ = 15761011948080.

The previous prime is 22984976890223. The next prime is 22984976890229. The reversal of 22984976890225 is 52209867948922.

The square root of 22984976890225 is 4794265.

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

It can be written as a sum of positive squares in only one way, i.e., 8274591680481 + 14710385209744 = 2876559^2 + 3835412^2 .

It is not a de Polignac number, because 22984976890225 - 2¹ = 22984976890223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22984976890223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 167730786 + ... + 167867764.

Almost surely, 2^{22984976890225} is an apocalyptic number.

22984976890225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22984976890225 is the 4794265-th square number.

22984976890225 is the 2397133-rd centered octagonal number.

It is an amenable number.

22984976890225 is a deficient number, since it is larger than the sum of its proper divisors (10169921614682).

22984976890225 is an frugal number, since it uses more digits than its factorization.

22984976890225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273982 (or 136991 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 73.

The spelling of 22984976890225 in words is "twenty-two trillion, nine hundred eighty-four billion, nine hundred seventy-six million, eight hundred ninety thousand, two hundred twenty-five".