22492111 has 2 divisors, whose sum is σ = 22492112. Its totient is φ = 22492110.

The previous prime is 22492109. The next prime is 22492117. The reversal of 22492111 is 11129422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22492111 - 2¹ = 22492109 is a prime.

Together with 22492109, 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 (22492117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11246055 + 11246056.

It is an arithmetic number, because the mean of its divisors is an integer number (11246056).

Almost surely, 2^22492111 is an apocalyptic number.

22492111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22492111 is an equidigital number, since it uses as much as digits as its factorization.

22492111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 22492111 is about 4742.5848437324. The cubic root of 22492111 is about 282.2778099930.

The spelling of 22492111 in words is "twenty-two million, four hundred ninety-two thousand, one hundred eleven".