22373893 has 2 divisors, whose sum is σ = 22373894. Its totient is φ = 22373892.

The previous prime is 22373891. The next prime is 22373899. The reversal of 22373893 is 39837322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18122049 + 4251844 = 4257^2 + 2062^2 .

It is a cyclic number.

It is not a de Polignac number, because 22373893 - 2¹ = 22373891 is a prime.

Together with 22373891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22373891) 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, 11186946 + 11186947.

It is an arithmetic number, because the mean of its divisors is an integer number (11186947).

Almost surely, 2^22373893 is an apocalyptic number.

It is an amenable number.

22373893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22373893 is an equidigital number, since it uses as much as digits as its factorization.

22373893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 22373893 is about 4730.1049671228. The cubic root of 22373893 is about 281.7823925258.

The spelling of 22373893 in words is "twenty-two million, three hundred seventy-three thousand, eight hundred ninety-three".