22646453 has 2 divisors, whose sum is σ = 22646454. Its totient is φ = 22646452.

The previous prime is 22646447. The next prime is 22646471. The reversal of 22646453 is 35464622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14569489 + 8076964 = 3817^2 + 2842^2 .

It is a cyclic number.

It is not a de Polignac number, because 22646453 - 2¹⁸ = 22384309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22646483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11323226 + 11323227.

It is an arithmetic number, because the mean of its divisors is an integer number (11323227).

Almost surely, 2^22646453 is an apocalyptic number.

It is an amenable number.

22646453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22646453 is an equidigital number, since it uses as much as digits as its factorization.

22646453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 32.

The square root of 22646453 is about 4758.8289525891. The cubic root of 22646453 is about 282.9220069176.

The spelling of 22646453 in words is "twenty-two million, six hundred forty-six thousand, four hundred fifty-three".