22243454 has 8 divisors (see below), whose sum is σ = 33401160. Its totient is φ = 11109736.

The previous prime is 22243447. The next prime is 22243483. The reversal of 22243454 is 45434222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464 + ... + 7515.

It is an arithmetic number, because the mean of its divisors is an integer number (4175145).

Almost surely, 2^22243454 is an apocalyptic number.

22243454 is a deficient number, since it is larger than the sum of its proper divisors (11157706).

22243454 is a wasteful number, since it uses less digits than its factorization.

22243454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994.

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

The square root of 22243454 is about 4716.2966403737. The cubic root of 22243454 is about 281.2337311413.

Adding to 22243454 its reverse (45434222), we get a palindrome (67677676).

The spelling of 22243454 in words is "twenty-two million, two hundred forty-three thousand, four hundred fifty-four".