22245456 has 20 divisors (see below), whose sum is σ = 57467552. Its totient is φ = 7415136.

The previous prime is 22245449. The next prime is 22245463. The reversal of 22245456 is 65454222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22245449) and next prime (22245463).

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, 231676 + ... + 231771.

Almost surely, 2^22245456 is an apocalyptic number.

It is an amenable number.

22245456 is an abundant number, since it is smaller than the sum of its proper divisors (35222096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22245456 is a wasteful number, since it uses less digits than its factorization.

22245456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463458 (or 463452 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 22245456 is about 4716.5088783972. The cubic root of 22245456 is about 281.2421682757.

Adding to 22245456 its reverse (65454222), we get a palindrome (87699678).

The spelling of 22245456 in words is "twenty-two million, two hundred forty-five thousand, four hundred fifty-six".