22423125251 has 8 divisors (see below), whose sum is σ = 23153073024. Its totient is φ = 21693591360.

The previous prime is 22423125229. The next prime is 22423125317. The reversal of 22423125251 is 15252132422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22423125251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22423125211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8591 + ... + 211943.

It is an arithmetic number, because the mean of its divisors is an integer number (2894134128).

Almost surely, 2^22423125251 is an apocalyptic number.

22423125251 is a deficient number, since it is larger than the sum of its proper divisors (729947773).

22423125251 is a wasteful number, since it uses less digits than its factorization.

22423125251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206941.

The product of its digits is 9600, while the sum is 29.

Adding to 22423125251 its reverse (15252132422), we get a palindrome (37675257673).

The spelling of 22423125251 in words is "twenty-two billion, four hundred twenty-three million, one hundred twenty-five thousand, two hundred fifty-one".