22704224361025 has 9 divisors (see below), whose sum is σ = 28153267750051. Its totient is φ = 18163360429240.

The previous prime is 22704224361023. The next prime is 22704224361067. The reversal of 22704224361025 is 52016342240722.

The square root of 22704224361025 is 4764895.

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., 8173520769969 + 14530703591056 = 2858937^2 + 3811916^2 .

It is not a de Polignac number, because 22704224361025 - 2¹ = 22704224361023 is a prime.

It is a super-2 number, since 2×22704224361025² (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 (22704224361023) 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, 23347986 + ... + 24300964.

Almost surely, 2^{22704224361025} is an apocalyptic number.

22704224361025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22704224361025 is the 4764895-th square number.

22704224361025 is the 2382448-th centered octagonal number.

It is an amenable number.

22704224361025 is a deficient number, since it is larger than the sum of its proper divisors (5449043389026).

22704224361025 is an frugal number, since it uses more digits than its factorization.

22704224361025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905968 (or 952984 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 22704224361025 in words is "twenty-two trillion, seven hundred four billion, two hundred twenty-four million, three hundred sixty-one thousand, twenty-five".