22116650 has 12 divisors (see below), whose sum is σ = 41137062. Its totient is φ = 8846640.

The previous prime is 22116641. The next prime is 22116683. The reversal of 22116650 is 5661122.

It can be written as a sum of positive squares in 3 ways, for example, as 16265089 + 5851561 = 4033^2 + 2419^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221117 + ... + 221216.

Almost surely, 2^22116650 is an apocalyptic number.

22116650 is a deficient number, since it is larger than the sum of its proper divisors (19020412).

22116650 is a wasteful number, since it uses less digits than its factorization.

22116650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442345 (or 442340 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22116650 is about 4702.8342518103. The cubic root of 22116650 is about 280.6982995611.

Adding to 22116650 its reverse (5661122), we get a palindrome (27777772).

The spelling of 22116650 in words is "twenty-two million, one hundred sixteen thousand, six hundred fifty".