22525351 has 2 divisors, whose sum is σ = 22525352. Its totient is φ = 22525350.

The previous prime is 22525343. The next prime is 22525369. The reversal of 22525351 is 15352522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22525351 - 2³ = 22525343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22525301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262675 + 11262676.

It is an arithmetic number, because the mean of its divisors is an integer number (11262676).

Almost surely, 2^22525351 is an apocalyptic number.

22525351 is a deficient number, since it is larger than the sum of its proper divisors (1).

22525351 is an equidigital number, since it uses as much as digits as its factorization.

22525351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 25.

The square root of 22525351 is about 4746.0879680006. The cubic root of 22525351 is about 282.4167964434.

Adding to 22525351 its reverse (15352522), we get a palindrome (37877873).

The spelling of 22525351 in words is "twenty-two million, five hundred twenty-five thousand, three hundred fifty-one".