22039811 has 2 divisors, whose sum is σ = 22039812. Its totient is φ = 22039810.

The previous prime is 22039807. The next prime is 22039813. The reversal of 22039811 is 11893022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22039811 - 2² = 22039807 is a prime.

Together with 22039813, 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 (22039813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11019905 + 11019906.

It is an arithmetic number, because the mean of its divisors is an integer number (11019906).

Almost surely, 2^22039811 is an apocalyptic number.

22039811 is a deficient number, since it is larger than the sum of its proper divisors (1).

22039811 is an equidigital number, since it uses as much as digits as its factorization.

22039811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 22039811 is about 4694.6577085023. The cubic root of 22039811 is about 280.3728493800.

The spelling of 22039811 in words is "twenty-two million, thirty-nine thousand, eight hundred eleven".