22035916 has 48 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 8948160.

The previous prime is 22035913. The next prime is 22035929. The reversal of 22035916 is 61953022.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22035913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45765 + ... + 46243.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^22035916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22035916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23224320).

22035916 is an abundant number, since it is smaller than the sum of its proper divisors (24412724).

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

22035916 is a wasteful number, since it uses less digits than its factorization.

22035916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22035916 is about 4694.2428569472. The cubic root of 22035916 is about 280.3563320486.

Adding to 22035916 its reverse (61953022), we get a palindrome (83988938).

The spelling of 22035916 in words is "twenty-two million, thirty-five thousand, nine hundred sixteen".