22033004 has 24 divisors (see below), whose sum is σ = 44690688. Its totient is φ = 9308880.

The previous prime is 22032977. The next prime is 22033007. The reversal of 22033004 is 40033022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 22033004.

It is not an unprimeable number, because it can be changed into a prime (22033007) 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, 3554 + ... + 7529.

It is an arithmetic number, because the mean of its divisors is an integer number (1862112).

Almost surely, 2^22033004 is an apocalyptic number.

It is an amenable number.

22033004 is an abundant number, since it is smaller than the sum of its proper divisors (22657684).

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

22033004 is a wasteful number, since it uses less digits than its factorization.

22033004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165 (or 11163 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22033004 is about 4693.9326795343. The cubic root of 22033004 is about 280.3439820045.

Adding to 22033004 its reverse (40033022), we get a palindrome (62066026).

The spelling of 22033004 in words is "twenty-two million, thirty-three thousand, four".