22747224054025 has 9 divisors (see below), whose sum is σ = 28206587397333. Its totient is φ = 18197760165600.

The previous prime is 22747224054001. The next prime is 22747224054029. The reversal of 22747224054025 is 52045042274722.

The square root of 22747224054025 is 4769405.

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

It can be written as a sum of positive squares in 4 ways, for example, as 901658496249 + 21845565557776 = 949557^2 + 4673924^2 .

It is not a de Polignac number, because 22747224054025 - 2¹¹ = 22747224051977 is a prime.

It is a super-2 number, since 2×22747224054025² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22747224054029) 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, 23370085 + ... + 24323965.

Almost surely, 2^{22747224054025} is an apocalyptic number.

22747224054025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22747224054025 is the 4769405-th square number.

22747224054025 is the 2384703-rd centered octagonal number.

It is an amenable number.

22747224054025 is a deficient number, since it is larger than the sum of its proper divisors (5459363343308).

22747224054025 is an frugal number, since it uses more digits than its factorization.

22747224054025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907772 (or 953886 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 46.

The spelling of 22747224054025 in words is "twenty-two trillion, seven hundred forty-seven billion, two hundred twenty-four million, fifty-four thousand, twenty-five".