22243455 has 48 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 10704384.

The previous prime is 22243447. The next prime is 22243483. The reversal of 22243455 is 55434222.

It is a happy number.

22243455 is a `hidden beast` number, since 222 + 434 + 5 + 5 = 666.

It is not a de Polignac number, because 22243455 - 2³ = 22243447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27091 + ... + 27899.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^22243455 is an apocalyptic number.

22243455 is a deficient number, since it is larger than the sum of its proper divisors (20213505).

22243455 is a wasteful number, since it uses less digits than its factorization.

22243455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 877 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 22243455 is about 4716.2967463891. The cubic root of 22243455 is about 281.2337353557.

Adding to 22243455 its reverse (55434222), we get a palindrome (77677677).

The spelling of 22243455 in words is "twenty-two million, two hundred forty-three thousand, four hundred fifty-five".