22236002 has 4 divisors (see below), whose sum is σ = 33354006. Its totient is φ = 11118000.

The previous prime is 22235987. The next prime is 22236013. The reversal of 22236002 is 20063222.

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., 19704721 + 2531281 = 4439^2 + 1591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558999 + ... + 5559002.

Almost surely, 2^22236002 is an apocalyptic number.

22236002 is a deficient number, since it is larger than the sum of its proper divisors (11118004).

22236002 is a wasteful number, since it uses less digits than its factorization.

22236002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118003.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22236002 is about 4715.5065475514. The cubic root of 22236002 is about 281.2023213334.

Adding to 22236002 its reverse (20063222), we get a palindrome (42299224).

The spelling of 22236002 in words is "twenty-two million, two hundred thirty-six thousand, two".