22553406025 has 6 divisors (see below), whose sum is σ = 27966223502. Its totient is φ = 18042724800.

The previous prime is 22553406019. The next prime is 22553406061. The reversal of 22553406025 is 52060435522.

It can be written as a sum of positive squares in 3 ways, for example, as 5937164809 + 16616241216 = 77053^2 + 128904^2 .

It is not a de Polignac number, because 22553406025 - 2³ = 22553406017 is a prime.

It is a super-2 number, since 2×22553406025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451068096 + ... + 451068145.

Almost surely, 2^22553406025 is an apocalyptic number.

22553406025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22553406025 is a deficient number, since it is larger than the sum of its proper divisors (5412817477).

22553406025 is an equidigital number, since it uses as much as digits as its factorization.

22553406025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902136251 (or 902136246 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 22553406025 in words is "twenty-two billion, five hundred fifty-three million, four hundred six thousand, twenty-five".