22894693 has 2 divisors, whose sum is σ = 22894694. Its totient is φ = 22894692.

The previous prime is 22894673. The next prime is 22894721. The reversal of 22894693 is 39649822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 9108324 = 3713^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 22894693 - 2⁵ = 22894661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22894603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11447346 + 11447347.

It is an arithmetic number, because the mean of its divisors is an integer number (11447347).

Almost surely, 2^22894693 is an apocalyptic number.

It is an amenable number.

22894693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22894693 is an equidigital number, since it uses as much as digits as its factorization.

22894693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 22894693 is about 4784.8399137275. The cubic root of 22894693 is about 283.9520062058.

The spelling of 22894693 in words is "twenty-two million, eight hundred ninety-four thousand, six hundred ninety-three".