22906199 has 2 divisors, whose sum is σ = 22906200. Its totient is φ = 22906198.

The previous prime is 22906187. The next prime is 22906207. The reversal of 22906199 is 99160922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22906199 - 2⁸ = 22905943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22906109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11453099 + 11453100.

It is an arithmetic number, because the mean of its divisors is an integer number (11453100).

Almost surely, 2^22906199 is an apocalyptic number.

22906199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22906199 is an equidigital number, since it uses as much as digits as its factorization.

22906199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 22906199 is about 4786.0421017789. The cubic root of 22906199 is about 283.9995660577. Note that the first 3 decimals are identical.

The spelling of 22906199 in words is "twenty-two million, nine hundred six thousand, one hundred ninety-nine".