22116370 has 16 divisors (see below), whose sum is σ = 40561560. Its totient is φ = 8679424.

The previous prime is 22116359. The next prime is 22116377. The reversal of 22116370 is 7361122.

It can be written as a sum of positive squares in 4 ways, for example, as 14493249 + 7623121 = 3807^2 + 2761^2 .

It is not an unprimeable number, because it can be changed into a prime (22116377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20335 + ... + 21394.

Almost surely, 2^22116370 is an apocalyptic number.

22116370 is a deficient number, since it is larger than the sum of its proper divisors (18445190).

22116370 is a wasteful number, since it uses less digits than its factorization.

22116370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41789.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 22116370 is about 4702.8044824339. The cubic root of 22116370 is about 280.6971149957.

Adding to 22116370 its reverse (7361122), we get a palindrome (29477492).

The spelling of 22116370 in words is "twenty-two million, one hundred sixteen thousand, three hundred seventy".