22273255497025 has 81 divisors (see below), whose sum is σ = 31776934463643. Its totient is φ = 15476791948800.

The previous prime is 22273255497007. The next prime is 22273255497047. The reversal of 22273255497025 is 52079455237222.

The square root of 22273255497025 is 4719455.

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

It can be written as a sum of positive squares in 13 ways, for example, as 16221183167809 + 6052072329216 = 4027553^2 + 2460096^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22273255497025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5214995640 + ... + 5214999910.

Almost surely, 2^{22273255497025} is an apocalyptic number.

22273255497025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22273255497025 is the 4719455-th square number.

22273255497025 is the 2359728-th centered octagonal number.

It is an amenable number.

22273255497025 is a deficient number, since it is larger than the sum of its proper divisors (9503678966618).

22273255497025 is an frugal number, since it uses more digits than its factorization.

22273255497025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 22273255497025 in words is "twenty-two trillion, two hundred seventy-three billion, two hundred fifty-five million, four hundred ninety-seven thousand, twenty-five".