22116622 has 24 divisors (see below), whose sum is σ = 37107000. Its totient is φ = 9876240.

The previous prime is 22116613. The next prime is 22116637. The reversal of 22116622 is 22661122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22116593 and 22116602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13504 + ... + 15052.

It is an arithmetic number, because the mean of its divisors is an integer number (1546125).

Almost surely, 2^22116622 is an apocalyptic number.

22116622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22116622 is a deficient number, since it is larger than the sum of its proper divisors (14990378).

22116622 is a wasteful number, since it uses less digits than its factorization.

22116622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1621 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 22116622 is about 4702.8312748811. The cubic root of 22116622 is about 280.6981811051.

Multiplying 22116622 by its sum of digits (22), we get a palindrome (486565684).

Adding to 22116622 its reverse (22661122), we get a palindrome (44777744).

The spelling of 22116622 in words is "twenty-two million, one hundred sixteen thousand, six hundred twenty-two".