22255250325 has 96 divisors (see below), whose sum is σ = 47456962560. Its totient is φ = 8929939200.

The previous prime is 22255250321. The next prime is 22255250327. The reversal of 22255250325 is 52305255222.

It is a happy number.

It is not a de Polignac number, because 22255250325 - 2² = 22255250321 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 (22255250321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101032 + ... + 233918.

It is an arithmetic number, because the mean of its divisors is an integer number (494343360).

Almost surely, 2^22255250325 is an apocalyptic number.

22255250325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22255250325 is an abundant number, since it is smaller than the sum of its proper divisors (25201712235).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22255250325 is a wasteful number, since it uses less digits than its factorization.

22255250325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132947 (or 132942 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 22255250325 in words is "twenty-two billion, two hundred fifty-five million, two hundred fifty thousand, three hundred twenty-five".