22443254 has 4 divisors (see below), whose sum is σ = 33664884. Its totient is φ = 11221626.

The previous prime is 22443251. The next prime is 22443257. The reversal of 22443254 is 45234422.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (22443251) and next prime (22443257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610812 + ... + 5610815.

It is an arithmetic number, because the mean of its divisors is an integer number (8416221).

Almost surely, 2^22443254 is an apocalyptic number.

22443254 is a deficient number, since it is larger than the sum of its proper divisors (11221630).

22443254 is a wasteful number, since it uses less digits than its factorization.

22443254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221629.

The product of its digits is 7680, while the sum is 26.

The square root of 22443254 is about 4737.4311604497. The cubic root of 22443254 is about 282.0732753936.

Adding to 22443254 its reverse (45234422), we get a palindrome (67677676).

The spelling of 22443254 in words is "twenty-two million, four hundred forty-three thousand, two hundred fifty-four".