22443002 has 4 divisors (see below), whose sum is σ = 33664506. Its totient is φ = 11221500.

The previous prime is 22442969. The next prime is 22443007. The reversal of 22443002 is 20034422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14984641 + 7458361 = 3871^2 + 2731^2 .

It is not an unprimeable number, because it can be changed into a prime (22443007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610749 + ... + 5610752.

Almost surely, 2^22443002 is an apocalyptic number.

22443002 is a deficient number, since it is larger than the sum of its proper divisors (11221504).

22443002 is a wasteful number, since it uses less digits than its factorization.

22443002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221503.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22443002 is about 4737.4045636825. The cubic root of 22443002 is about 282.0722196534.

Adding to 22443002 its reverse (20034422), we get a palindrome (42477424).

The spelling of 22443002 in words is "twenty-two million, four hundred forty-three thousand, two".