22423402 has 8 divisors (see below), whose sum is σ = 33660000. Its totient is φ = 11203404.

The previous prime is 22423397. The next prime is 22423403. The reversal of 22423402 is 20432422.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22423402.

It is not an unprimeable number, because it can be changed into a prime (22423403) 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 3 ways as a sum of consecutive naturals, for example, 99 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (4207500).

Almost surely, 2^22423402 is an apocalyptic number.

22423402 is a deficient number, since it is larger than the sum of its proper divisors (11236598).

22423402 is a wasteful number, since it uses less digits than its factorization.

22423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300.

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

The square root of 22423402 is about 4735.3354685809. The cubic root of 22423402 is about 281.9900823097.

Adding to 22423402 its reverse (20432422), we get a palindrome (42855824).

The spelling of 22423402 in words is "twenty-two million, four hundred twenty-three thousand, four hundred two".