22522651 has 2 divisors, whose sum is σ = 22522652. Its totient is φ = 22522650.

The previous prime is 22522649. The next prime is 22522673. The reversal of 22522651 is 15622522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22522651 - 2¹ = 22522649 is a prime.

Together with 22522649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22522051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11261325 + 11261326.

It is an arithmetic number, because the mean of its divisors is an integer number (11261326).

Almost surely, 2^22522651 is an apocalyptic number.

22522651 is a deficient number, since it is larger than the sum of its proper divisors (1).

22522651 is an equidigital number, since it uses as much as digits as its factorization.

22522651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 22522651 is about 4745.8035146854. The cubic root of 22522651 is about 282.4055120344.

The spelling of 22522651 in words is "twenty-two million, five hundred twenty-two thousand, six hundred fifty-one".