22077899 has 2 divisors, whose sum is σ = 22077900. Its totient is φ = 22077898.

The previous prime is 22077871. The next prime is 22077919. The reversal of 22077899 is 99877022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22077899 - 2²⁴ = 5300683 is a prime.

It is not a weakly prime, because it can be changed into another prime (22077599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11038949 + 11038950.

It is an arithmetic number, because the mean of its divisors is an integer number (11038950).

Almost surely, 2^22077899 is an apocalyptic number.

22077899 is a deficient number, since it is larger than the sum of its proper divisors (1).

22077899 is an equidigital number, since it uses as much as digits as its factorization.

22077899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 22077899 is about 4698.7124832235. The cubic root of 22077899 is about 280.5342647910.

The spelling of 22077899 in words is "twenty-two million, seventy-seven thousand, eight hundred ninety-nine".