22245548 has 24 divisors (see below), whose sum is σ = 42065520. Its totient is φ = 10232640.

The previous prime is 22245533. The next prime is 22245557. The reversal of 22245548 is 84554222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21278 + ... + 22298.

It is an arithmetic number, because the mean of its divisors is an integer number (1752730).

Almost surely, 2^22245548 is an apocalyptic number.

It is an amenable number.

22245548 is a deficient number, since it is larger than the sum of its proper divisors (19819972).

22245548 is a wasteful number, since it uses less digits than its factorization.

22245548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 22245548 is about 4716.5186313636. The cubic root of 22245548 is about 281.2425559840.

The spelling of 22245548 in words is "twenty-two million, two hundred forty-five thousand, five hundred forty-eight".