22330402 has 8 divisors (see below), whose sum is σ = 33523200. Its totient is φ = 11156004.

The previous prime is 22330397. The next prime is 22330417. The reversal of 22330402 is 20403322.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002 + ... + 6757.

It is an arithmetic number, because the mean of its divisors is an integer number (4190400).

Almost surely, 2^22330402 is an apocalyptic number.

22330402 is a deficient number, since it is larger than the sum of its proper divisors (11192798).

22330402 is a wasteful number, since it uses less digits than its factorization.

22330402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22330402 is about 4725.5054756079. The cubic root of 22330402 is about 281.5996952611.

Adding to 22330402 its reverse (20403322), we get a palindrome (42733724).

It can be divided in two parts, 223 and 30402, that added together give a square (30625 = 175²).

The spelling of 22330402 in words is "twenty-two million, three hundred thirty thousand, four hundred two".