22404002 has 8 divisors (see below), whose sum is σ = 35374800. Its totient is φ = 10612404.

The previous prime is 22403987. The next prime is 22404061. The reversal of 22404002 is 20040422.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294752 + ... + 294827.

It is an arithmetic number, because the mean of its divisors is an integer number (4421850).

Almost surely, 2^22404002 is an apocalyptic number.

22404002 is a deficient number, since it is larger than the sum of its proper divisors (12970798).

22404002 is a wasteful number, since it uses less digits than its factorization.

22404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589600.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22404002 is about 4733.2865960134. The cubic root of 22404002 is about 281.9087359553.

Adding to 22404002 its reverse (20040422), we get a palindrome (42444424).

The spelling of 22404002 in words is "twenty-two million, four hundred four thousand, two".