22367251 has 2 divisors, whose sum is σ = 22367252. Its totient is φ = 22367250.

The previous prime is 22367239. The next prime is 22367269. The reversal of 22367251 is 15276322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22367251 - 2⁹ = 22366739 is a prime.

It is not a weakly prime, because it can be changed into another prime (22367221) 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, 11183625 + 11183626.

It is an arithmetic number, because the mean of its divisors is an integer number (11183626).

Almost surely, 2^22367251 is an apocalyptic number.

22367251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22367251 is an equidigital number, since it uses as much as digits as its factorization.

22367251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 22367251 is about 4729.4028164241. The cubic root of 22367251 is about 281.7545060975.

The spelling of 22367251 in words is "twenty-two million, three hundred sixty-seven thousand, two hundred fifty-one".