22331002 has 8 divisors (see below), whose sum is σ = 34045812. Its totient is φ = 10982400.

The previous prime is 22330993. The next prime is 22331003. The reversal of 22331002 is 20013322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21799561 + 531441 = 4669^2 + 729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22331003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91399 + ... + 91642.

Almost surely, 2^22331002 is an apocalyptic number.

22331002 is a deficient number, since it is larger than the sum of its proper divisors (11714810).

22331002 is a wasteful number, since it uses less digits than its factorization.

22331002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183104.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22331002 is about 4725.5689604533. The cubic root of 22331002 is about 281.6022173578.

Adding to 22331002 its reverse (20013322), we get a palindrome (42344324).

The spelling of 22331002 in words is "twenty-two million, three hundred thirty-one thousand, two".