22259801 has 2 divisors, whose sum is σ = 22259802. Its totient is φ = 22259800.

The previous prime is 22259789. The next prime is 22259803. The reversal of 22259801 is 10895222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16974400 + 5285401 = 4120^2 + 2299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22259801 is a prime.

Together with 22259803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22259803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11129900 + 11129901.

It is an arithmetic number, because the mean of its divisors is an integer number (11129901).

Almost surely, 2^22259801 is an apocalyptic number.

It is an amenable number.

22259801 is a deficient number, since it is larger than the sum of its proper divisors (1).

22259801 is an equidigital number, since it uses as much as digits as its factorization.

22259801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 22259801 is about 4718.0293555679. The cubic root of 22259801 is about 281.3026083646.

The spelling of 22259801 in words is "twenty-two million, two hundred fifty-nine thousand, eight hundred one".