22022116 has 12 divisors (see below), whose sum is σ = 38582460. Its totient is φ = 10998560.

The previous prime is 22022113. The next prime is 22022131. The reversal of 22022116 is 61122022.

It can be written as a sum of positive squares in 2 ways, for example, as 16000000 + 6022116 = 4000^2 + 2454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22022116.

It is not an unprimeable number, because it can be changed into a prime (22022111) 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, 1650 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (3215205).

Almost surely, 2^22022116 is an apocalyptic number.

It is an amenable number.

22022116 is a deficient number, since it is larger than the sum of its proper divisors (16560344).

22022116 is a wasteful number, since it uses less digits than its factorization.

22022116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254 (or 6252 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22022116 is about 4692.7727411414. The cubic root of 22022116 is about 280.2977954108.

Adding to 22022116 its reverse (61122022), we get a palindrome (83144138).

It can be divided in two parts, 22022 and 116, that multiplied together give a palindrome (2554552).

The spelling of 22022116 in words is "twenty-two million, twenty-two thousand, one hundred sixteen".