22677493 has 2 divisors, whose sum is σ = 22677494. Its totient is φ = 22677492.

The previous prime is 22677451. The next prime is 22677497. The reversal of 22677493 is 39477622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22212369 + 465124 = 4713^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 22677493 - 2¹³ = 22669301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22677497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11338746 + 11338747.

It is an arithmetic number, because the mean of its divisors is an integer number (11338747).

Almost surely, 2^22677493 is an apocalyptic number.

It is an amenable number.

22677493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22677493 is an equidigital number, since it uses as much as digits as its factorization.

22677493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 22677493 is about 4762.0891423828. The cubic root of 22677493 is about 283.0512087532.

The spelling of 22677493 in words is "twenty-two million, six hundred seventy-seven thousand, four hundred ninety-three".