22451202250125 has 128 divisors (see below), whose sum is σ = 41532383273472. Its totient is φ = 10677894656000.

The previous prime is 22451202250121. The next prime is 22451202250219. The reversal of 22451202250125 is 52105220215422.

It is not a de Polignac number, because 22451202250125 - 2² = 22451202250121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451202250121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1808678419 + ... + 1808690831.

It is an arithmetic number, because the mean of its divisors is an integer number (324471744324).

Almost surely, 2^{22451202250125} is an apocalyptic number.

22451202250125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22451202250125 is a deficient number, since it is larger than the sum of its proper divisors (19081181023347).

22451202250125 is a wasteful number, since it uses less digits than its factorization.

22451202250125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20768 (or 20758 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 22451202250125 its reverse (52105220215422), we get a palindrome (74556422465547).

The spelling of 22451202250125 in words is "twenty-two trillion, four hundred fifty-one billion, two hundred two million, two hundred fifty thousand, one hundred twenty-five".