22059949 has 2 divisors, whose sum is σ = 22059950. Its totient is φ = 22059948.

The previous prime is 22059937. The next prime is 22059953. The reversal of 22059949 is 94995022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13089924 + 8970025 = 3618^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 22059949 - 2¹⁷ = 21928877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22059049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11029974 + 11029975.

It is an arithmetic number, because the mean of its divisors is an integer number (11029975).

Almost surely, 2^22059949 is an apocalyptic number.

It is an amenable number.

22059949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22059949 is an equidigital number, since it uses as much as digits as its factorization.

22059949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 22059949 is about 4696.8019971040. The cubic root of 22059949 is about 280.4582165619.

The spelling of 22059949 in words is "twenty-two million, fifty-nine thousand, nine hundred forty-nine".