22070899 has 2 divisors, whose sum is σ = 22070900. Its totient is φ = 22070898.

The previous prime is 22070861. The next prime is 22070921. The reversal of 22070899 is 99807022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22070899 - 2⁷ = 22070771 is a prime.

It is not a weakly prime, because it can be changed into another prime (22070809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11035449 + 11035450.

It is an arithmetic number, because the mean of its divisors is an integer number (11035450).

Almost surely, 2^22070899 is an apocalyptic number.

22070899 is a deficient number, since it is larger than the sum of its proper divisors (1).

22070899 is an equidigital number, since it uses as much as digits as its factorization.

22070899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 22070899 is about 4697.9675392663. The cubic root of 22070899 is about 280.5046130047.

The spelling of 22070899 in words is "twenty-two million, seventy thousand, eight hundred ninety-nine".