22331204 has 48 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 9196320.

The previous prime is 22331203. The next prime is 22331249. The reversal of 22331204 is 40213322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93317 + ... + 93555.

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

Almost surely, 2^22331204 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 22331204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23224320).

22331204 is an abundant number, since it is smaller than the sum of its proper divisors (24117436).

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

22331204 is a wasteful number, since it uses less digits than its factorization.

22331204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22331204 is about 4725.5903334927. The cubic root of 22331204 is about 281.6030664536.

Adding to 22331204 its reverse (40213322), we get a palindrome (62544526).

The spelling of 22331204 in words is "twenty-two million, three hundred thirty-one thousand, two hundred four".