22000252325 has 72 divisors (see below), whose sum is σ = 29238878592. Its totient is φ = 16403143680.

The previous prime is 22000252321. The next prime is 22000252327. The reversal of 22000252325 is 52325200022.

It is a happy number.

It is not a de Polignac number, because 22000252325 - 2² = 22000252321 is a prime.

It is a super-2 number, since 2×22000252325² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22000252325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000252321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 226806677 + ... + 226806773.

It is an arithmetic number, because the mean of its divisors is an integer number (406095536).

Almost surely, 2^22000252325 is an apocalyptic number.

22000252325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22000252325 is a deficient number, since it is larger than the sum of its proper divisors (7238626267).

22000252325 is an equidigital number, since it uses as much as digits as its factorization.

22000252325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 22000252325 its reverse (52325200022), we get a palindrome (74325452347).

The spelling of 22000252325 in words is "twenty-two billion, two hundred fifty-two thousand, three hundred twenty-five".