22693217 has 2 divisors, whose sum is σ = 22693218. Its totient is φ = 22693216.

The previous prime is 22693211. The next prime is 22693273. The reversal of 22693217 is 71239622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21911761 + 781456 = 4681^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 22693217 - 2¹⁴ = 22676833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22693211) 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, 11346608 + 11346609.

It is an arithmetic number, because the mean of its divisors is an integer number (11346609).

Almost surely, 2^22693217 is an apocalyptic number.

It is an amenable number.

22693217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22693217 is an equidigital number, since it uses as much as digits as its factorization.

22693217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 22693217 is about 4763.7398123743. The cubic root of 22693217 is about 283.1166138215.

The spelling of 22693217 in words is "twenty-two million, six hundred ninety-three thousand, two hundred seventeen".