22090907 has 2 divisors, whose sum is σ = 22090908. Its totient is φ = 22090906.

The previous prime is 22090883. The next prime is 22090931. The reversal of 22090907 is 70909022.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22090883) and next prime (22090931).

It is a cyclic number.

It is not a de Polignac number, because 22090907 - 2⁶ = 22090843 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22090907.

It is not a weakly prime, because it can be changed into another prime (22090207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11045453 + 11045454.

It is an arithmetic number, because the mean of its divisors is an integer number (11045454).

Almost surely, 2^22090907 is an apocalyptic number.

22090907 is a deficient number, since it is larger than the sum of its proper divisors (1).

22090907 is an equidigital number, since it uses as much as digits as its factorization.

22090907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 22090907 is about 4700.0964883713. The cubic root of 22090907 is about 280.5893496411.

Adding to 22090907 its reverse (70909022), we get a palindrome (92999929).

It can be divided in two parts, 2 and 2090907, that multiplied together give a palindrome (4181814).

The spelling of 22090907 in words is "twenty-two million, ninety thousand, nine hundred seven".