22676509 has 2 divisors, whose sum is σ = 22676510. Its totient is φ = 22676508.

The previous prime is 22676497. The next prime is 22676543. The reversal of 22676509 is 90567622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12404484 + 10272025 = 3522^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 22676509 - 2¹¹ = 22674461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22676569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11338254 + 11338255.

It is an arithmetic number, because the mean of its divisors is an integer number (11338255).

Almost surely, 2^22676509 is an apocalyptic number.

It is an amenable number.

22676509 is a deficient number, since it is larger than the sum of its proper divisors (1).

22676509 is an equidigital number, since it uses as much as digits as its factorization.

22676509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 22676509 is about 4761.9858252624. The cubic root of 22676509 is about 283.0471147319.

The spelling of 22676509 in words is "twenty-two million, six hundred seventy-six thousand, five hundred nine".