22629641 has 2 divisors, whose sum is σ = 22629642. Its totient is φ = 22629640.

The previous prime is 22629637. The next prime is 22629667. The reversal of 22629641 is 14692622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19404025 + 3225616 = 4405^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 22629641 - 2² = 22629637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22629598 and 22629607.

It is not a weakly prime, because it can be changed into another prime (22622641) 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, 11314820 + 11314821.

It is an arithmetic number, because the mean of its divisors is an integer number (11314821).

Almost surely, 2^22629641 is an apocalyptic number.

It is an amenable number.

22629641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22629641 is an equidigital number, since it uses as much as digits as its factorization.

22629641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 22629641 is about 4757.0622236839. The cubic root of 22629641 is about 282.8519788462.

The spelling of 22629641 in words is "twenty-two million, six hundred twenty-nine thousand, six hundred forty-one".