22324402 has 8 divisors (see below), whose sum is σ = 34566912. Its totient is φ = 10802100.

The previous prime is 22324381. The next prime is 22324409. The reversal of 22324402 is 20442322.

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

It is a super-3 number, since 3×22324402³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22324402.

It is not an unprimeable number, because it can be changed into a prime (22324409) by changing a digit.

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, 179974 + ... + 180097.

It is an arithmetic number, because the mean of its divisors is an integer number (4320864).

Almost surely, 2^22324402 is an apocalyptic number.

22324402 is a deficient number, since it is larger than the sum of its proper divisors (12242510).

22324402 is a wasteful number, since it uses less digits than its factorization.

22324402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360104.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22324402 is about 4724.8705802382. The cubic root of 22324402 is about 281.5744718083.

Adding to 22324402 its reverse (20442322), we get a palindrome (42766724).

The spelling of 22324402 in words is "twenty-two million, three hundred twenty-four thousand, four hundred two".