22448918 has 16 divisors (see below), whose sum is σ = 35571120. Its totient is φ = 10596096.

The previous prime is 22448903. The next prime is 22448947. The reversal of 22448918 is 81984422.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 11930 + ... + 13682.

It is an arithmetic number, because the mean of its divisors is an integer number (2223195).

Almost surely, 2^22448918 is an apocalyptic number.

22448918 is a deficient number, since it is larger than the sum of its proper divisors (13122202).

22448918 is a wasteful number, since it uses less digits than its factorization.

22448918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its digits is 36864, while the sum is 38.

The square root of 22448918 is about 4738.0289150658. The cubic root of 22448918 is about 282.0970023250.

The spelling of 22448918 in words is "twenty-two million, four hundred forty-eight thousand, nine hundred eighteen".