22367791 has 2 divisors, whose sum is σ = 22367792. Its totient is φ = 22367790.

The previous prime is 22367777. The next prime is 22367803. The reversal of 22367791 is 19776322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22367791 - 2¹⁵ = 22335023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22367791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22367491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11183895 + 11183896.

It is an arithmetic number, because the mean of its divisors is an integer number (11183896).

Almost surely, 2^22367791 is an apocalyptic number.

22367791 is a deficient number, since it is larger than the sum of its proper divisors (1).

22367791 is an equidigital number, since it uses as much as digits as its factorization.

22367791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 22367791 is about 4729.4599057398. The cubic root of 22367791 is about 281.7567734930.

The spelling of 22367791 in words is "twenty-two million, three hundred sixty-seven thousand, seven hundred ninety-one".