22231004 has 6 divisors (see below), whose sum is σ = 38904264. Its totient is φ = 11115500.

The previous prime is 22230997. The next prime is 22231037. The reversal of 22231004 is 40013222.

It is a self number, because there is not a number n which added to its sum of digits gives 22231004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778872 + ... + 2778879.

It is an arithmetic number, because the mean of its divisors is an integer number (6484044).

Almost surely, 2^22231004 is an apocalyptic number.

It is an amenable number.

22231004 is a deficient number, since it is larger than the sum of its proper divisors (16673260).

22231004 is a wasteful number, since it uses less digits than its factorization.

22231004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557755 (or 5557753 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22231004 is about 4714.9765640987. The cubic root of 22231004 is about 281.1812510811.

Adding to 22231004 its reverse (40013222), we get a palindrome (62244226).

The spelling of 22231004 in words is "twenty-two million, two hundred thirty-one thousand, four".