22508107 has 2 divisors, whose sum is σ = 22508108. Its totient is φ = 22508106.

The previous prime is 22508081. The next prime is 22508117. The reversal of 22508107 is 70180522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22508107 - 2²³ = 14119499 is a prime.

It is a super-2 number, since 2×22508107² = 1013229761446898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22508117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11254053 + 11254054.

It is an arithmetic number, because the mean of its divisors is an integer number (11254054).

Almost surely, 2^22508107 is an apocalyptic number.

22508107 is a deficient number, since it is larger than the sum of its proper divisors (1).

22508107 is an equidigital number, since it uses as much as digits as its factorization.

22508107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 22508107 is about 4744.2709661232. The cubic root of 22508107 is about 282.3447111665.

Adding to 22508107 its reverse (70180522), we get a palindrome (92688629).

The spelling of 22508107 in words is "twenty-two million, five hundred eight thousand, one hundred seven".