22400416 has 24 divisors (see below), whose sum is σ = 44241120. Its totient is φ = 11164608.

The previous prime is 22400369. The next prime is 22400419. The reversal of 22400416 is 61400422.

It is a junction number, because it is equal to n+sod(n) for n = 22400393 and 22400402.

It is not an unprimeable number, because it can be changed into a prime (22400419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11205 + ... + 13051.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^22400416 is an apocalyptic number.

It is an amenable number.

22400416 is a deficient number, since it is larger than the sum of its proper divisors (21840704).

22400416 is a wasteful number, since it uses less digits than its factorization.

22400416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22400416 is about 4732.9077742969. The cubic root of 22400416 is about 281.8936943172.

Adding to 22400416 its reverse (61400422), we get a palindrome (83800838).

The spelling of 22400416 in words is "twenty-two million, four hundred thousand, four hundred sixteen".