22456453 has 4 divisors (see below), whose sum is σ = 22467808. Its totient is φ = 22445100.

The previous prime is 22456433. The next prime is 22456463. The reversal of 22456453 is 35465422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35465422 = 2 ⋅17732711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22456453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22456433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851 + ... + 6952.

It is an arithmetic number, because the mean of its divisors is an integer number (5616952).

Almost surely, 2^22456453 is an apocalyptic number.

It is an amenable number.

22456453 is a deficient number, since it is larger than the sum of its proper divisors (11355).

22456453 is an equidigital number, since it uses as much as digits as its factorization.

22456453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354.

The product of its digits is 28800, while the sum is 31.

The square root of 22456453 is about 4738.8240102371. The cubic root of 22456453 is about 282.1285608340.

The spelling of 22456453 in words is "twenty-two million, four hundred fifty-six thousand, four hundred fifty-three".