22546651 has 2 divisors, whose sum is σ = 22546652. Its totient is φ = 22546650.

The previous prime is 22546633. The next prime is 22546687. The reversal of 22546651 is 15664522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22546651 - 2⁵ = 22546619 is a prime.

It is not a weakly prime, because it can be changed into another prime (22546621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11273325 + 11273326.

It is an arithmetic number, because the mean of its divisors is an integer number (11273326).

Almost surely, 2^22546651 is an apocalyptic number.

22546651 is a deficient number, since it is larger than the sum of its proper divisors (1).

22546651 is an equidigital number, since it uses as much as digits as its factorization.

22546651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 22546651 is about 4748.3313911310. The cubic root of 22546651 is about 282.5057862913.

The spelling of 22546651 in words is "twenty-two million, five hundred forty-six thousand, six hundred fifty-one".