22251034340225 has 12 divisors (see below), whose sum is σ = 27591844008960. Its totient is φ = 17800465261200.

The previous prime is 22251034340219. The next prime is 22251034340231. The reversal of 22251034340225 is 52204343015222.

It is an interprime number because it is at equal distance from previous prime (22251034340219) and next prime (22251034340231).

It is not a de Polignac number, because 22251034340225 - 2¹² = 22251034336129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7798661 + ... + 10262610.

It is an arithmetic number, because the mean of its divisors is an integer number (2299320334080).

Almost surely, 2^{22251034340225} is an apocalyptic number.

22251034340225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22251034340225 is a deficient number, since it is larger than the sum of its proper divisors (5340809668735).

22251034340225 is a wasteful number, since it uses less digits than its factorization.

22251034340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18110560 (or 18110555 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 22251034340225 its reverse (52204343015222), we get a palindrome (74455377355447).

The spelling of 22251034340225 in words is "twenty-two trillion, two hundred fifty-one billion, thirty-four million, three hundred forty thousand, two hundred twenty-five".