22302002 has 4 divisors (see below), whose sum is σ = 33453006.
Its totient is φ = 11151000.
The previous prime is 22301987. The next prime is 22302013. The reversal of 22302002 is 20020322.
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., 22287841 + 14161 = 4721^2 + 119^2
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 5575499 + ... + 5575502.
Almost surely, 222302002 is an apocalyptic number.
22302002 is a deficient number, since it is larger than the sum of its proper divisors (11151004).
22302002 is a wasteful number, since it uses less digits than its factorization.
22302002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11151003.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 22302002 is about 4722.4995500264.
The cubic root of 22302002 is about 281.4802642996.
Adding to 22302002 its reverse (20020322), we get a palindrome (42322324).
The spelling of 22302002 in words is "twenty-two million, three hundred two thousand, two".