22120507 has 2 divisors, whose sum is σ = 22120508. Its totient is φ = 22120506.

The previous prime is 22120499. The next prime is 22120513. The reversal of 22120507 is 70502122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22120507 - 2³ = 22120499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22120517) 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, 11060253 + 11060254.

It is an arithmetic number, because the mean of its divisors is an integer number (11060254).

Almost surely, 2^22120507 is an apocalyptic number.

22120507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120507 is an equidigital number, since it uses as much as digits as its factorization.

22120507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 22120507 is about 4703.2443057957. The cubic root of 22120507 is about 280.7146159323.

Adding to 22120507 its reverse (70502122), we get a palindrome (92622629).

The spelling of 22120507 in words is "twenty-two million, one hundred twenty thousand, five hundred seven".