22373291 has 2 divisors, whose sum is σ = 22373292. Its totient is φ = 22373290.

The previous prime is 22373257. The next prime is 22373293. The reversal of 22373291 is 19237322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22373291 - 2¹⁰ = 22372267 is a prime.

Together with 22373293, 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 (22373293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11186645 + 11186646.

It is an arithmetic number, because the mean of its divisors is an integer number (11186646).

Almost surely, 2^22373291 is an apocalyptic number.

22373291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22373291 is an equidigital number, since it uses as much as digits as its factorization.

22373291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 22373291 is about 4730.0413317433. The cubic root of 22373291 is about 281.7798652570.

The spelling of 22373291 in words is "twenty-two million, three hundred seventy-three thousand, two hundred ninety-one".