22440616 has 16 divisors (see below), whose sum is σ = 45901440. Its totient is φ = 10200240.

The previous prime is 22440599. The next prime is 22440623. The reversal of 22440616 is 61604422.

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, 127416 + ... + 127591.

It is an arithmetic number, because the mean of its divisors is an integer number (2868840).

Almost surely, 2^22440616 is an apocalyptic number.

It is an amenable number.

22440616 is an abundant number, since it is smaller than the sum of its proper divisors (23460824).

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

22440616 is a wasteful number, since it uses less digits than its factorization.

22440616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255024 (or 255020 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22440616 is about 4737.1527313356. The cubic root of 22440616 is about 282.0622232461.

It can be divided in two parts, 224406 and 16, that added together give a palindrome (224422).

The spelling of 22440616 in words is "twenty-two million, four hundred forty thousand, six hundred sixteen".