22616226 has 16 divisors (see below), whose sum is σ = 50258400. Its totient is φ = 7538724.

The previous prime is 22616207. The next prime is 22616227. The reversal of 22616226 is 62261622.

22616226 is a `hidden beast` number, since 22 + 616 + 2 + 26 = 666.

It is a super-2 number, since 2×22616226² = 1022987356966152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22616226.

It is not an unprimeable number, because it can be changed into a prime (22616227) 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, 209356 + ... + 209463.

It is an arithmetic number, because the mean of its divisors is an integer number (3141150).

Almost surely, 2^22616226 is an apocalyptic number.

22616226 is an abundant number, since it is smaller than the sum of its proper divisors (27642174).

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

22616226 is a wasteful number, since it uses less digits than its factorization.

22616226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418830 (or 418824 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 22616226 is about 4755.6520057717. The cubic root of 22616226 is about 282.7960756271.

Adding to 22616226 its reverse (62261622), we get a palindrome (84877848).

The spelling of 22616226 in words is "twenty-two million, six hundred sixteen thousand, two hundred twenty-six".