22004334 has 36 divisors (see below), whose sum is σ = 52409448. Its totient is φ = 6667320.

The previous prime is 22004329. The next prime is 22004363. The reversal of 22004334 is 43340022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2874 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (1455818).

Almost surely, 2^22004334 is an apocalyptic number.

22004334 is an abundant number, since it is smaller than the sum of its proper divisors (30405114).

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

22004334 is a wasteful number, since it uses less digits than its factorization.

22004334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133 (or 10119 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22004334 is about 4690.8777430242. The cubic root of 22004334 is about 280.2223319157. Note that the first 3 decimals are identical.

Adding to 22004334 its reverse (43340022), we get a palindrome (65344356).

The spelling of 22004334 in words is "twenty-two million, four thousand, three hundred thirty-four".