22616022 has 64 divisors (see below), whose sum is σ = 54464256. Its totient is φ = 6168960.

The previous prime is 22616003. The next prime is 22616029. The reversal of 22616022 is 22061622.

It is a super-2 number, since 2×22616022² = 1022968902208968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22616022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22616029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36588 + ... + 37200.

It is an arithmetic number, because the mean of its divisors is an integer number (851004).

Almost surely, 2^22616022 is an apocalyptic number.

22616022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22616022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27232128).

22616022 is an abundant number, since it is smaller than the sum of its proper divisors (31848234).

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

22616022 is a wasteful number, since it uses less digits than its factorization.

22616022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22616022 is about 4755.6305575602. The cubic root of 22616022 is about 282.7952253441.

Adding to 22616022 its reverse (22061622), we get a palindrome (44677644).

The spelling of 22616022 in words is "twenty-two million, six hundred sixteen thousand, twenty-two".