22806002 has 8 divisors (see below), whose sum is σ = 34548012. Its totient is φ = 11290000.

The previous prime is 22806001. The next prime is 22806011. The reversal of 22806002 is 20060822.

It can be written as a sum of positive squares in 2 ways, for example, as 15358561 + 7447441 = 3919^2 + 2729^2 .

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

It is a super-2 number, since 2×22806002² = 1040227454448008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22806001) 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, 56249 + ... + 56652.

Almost surely, 2^22806002 is an apocalyptic number.

22806002 is a deficient number, since it is larger than the sum of its proper divisors (11742010).

22806002 is a wasteful number, since it uses less digits than its factorization.

22806002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113004.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22806002 is about 4775.5630034583. The cubic root of 22806002 is about 283.5848675949.

Adding to 22806002 its reverse (20060822), we get a palindrome (42866824).

The spelling of 22806002 in words is "twenty-two million, eight hundred six thousand, two".