22666453 has 2 divisors, whose sum is σ = 22666454. Its totient is φ = 22666452.

The previous prime is 22666439. The next prime is 22666463. The reversal of 22666453 is 35466622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22638564 + 27889 = 4758^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 22666453 - 2⁵ = 22666421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22666463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333226 + 11333227.

It is an arithmetic number, because the mean of its divisors is an integer number (11333227).

Almost surely, 2^22666453 is an apocalyptic number.

It is an amenable number.

22666453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22666453 is an equidigital number, since it uses as much as digits as its factorization.

22666453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 22666453 is about 4760.9298461540. The cubic root of 22666453 is about 283.0052690400.

The spelling of 22666453 in words is "twenty-two million, six hundred sixty-six thousand, four hundred fifty-three".