22456454 has 4 divisors (see below), whose sum is σ = 33684684. Its totient is φ = 11228226.

The previous prime is 22456433. The next prime is 22456463. The reversal of 22456454 is 45465422.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22456454.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5614112 + ... + 5614115.

It is an arithmetic number, because the mean of its divisors is an integer number (8421171).

Almost surely, 2^22456454 is an apocalyptic number.

22456454 is a deficient number, since it is larger than the sum of its proper divisors (11228230).

22456454 is a wasteful number, since it uses less digits than its factorization.

22456454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228229.

The product of its digits is 38400, while the sum is 32.

The square root of 22456454 is about 4738.8241157485. The cubic root of 22456454 is about 282.1285650218.

The spelling of 22456454 in words is "twenty-two million, four hundred fifty-six thousand, four hundred fifty-four".