22732109 has 2 divisors, whose sum is σ = 22732110. Its totient is φ = 22732108.

The previous prime is 22732093. The next prime is 22732117. The reversal of 22732109 is 90123722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16024009 + 6708100 = 4003^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 22732109 - 2⁴ = 22732093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22732139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11366054 + 11366055.

It is an arithmetic number, because the mean of its divisors is an integer number (11366055).

Almost surely, 2^22732109 is an apocalyptic number.

It is an amenable number.

22732109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22732109 is an equidigital number, since it uses as much as digits as its factorization.

22732109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 22732109 is about 4767.8201518094. The cubic root of 22732109 is about 283.2782581147.

The spelling of 22732109 in words is "twenty-two million, seven hundred thirty-two thousand, one hundred nine".