22362491 has 2 divisors, whose sum is σ = 22362492. Its totient is φ = 22362490.

The previous prime is 22362481. The next prime is 22362493. The reversal of 22362491 is 19426322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22362491 - 2⁶ = 22362427 is a prime.

Together with 22362493, 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 (22362493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11181245 + 11181246.

It is an arithmetic number, because the mean of its divisors is an integer number (11181246).

Almost surely, 2^22362491 is an apocalyptic number.

22362491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22362491 is an equidigital number, since it uses as much as digits as its factorization.

22362491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 22362491 is about 4728.8995548647. The cubic root of 22362491 is about 281.7345178478.

The spelling of 22362491 in words is "twenty-two million, three hundred sixty-two thousand, four hundred ninety-one".