22212002 has 16 divisors (see below), whose sum is σ = 34013952. Its totient is φ = 10876320.

The previous prime is 22211993. The next prime is 22212017. The reversal of 22212002 is 20021222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23927 + ... + 24837.

It is an arithmetic number, because the mean of its divisors is an integer number (2125872).

Almost surely, 2^22212002 is an apocalyptic number.

22212002 is a deficient number, since it is larger than the sum of its proper divisors (11801950).

22212002 is a wasteful number, since it uses less digits than its factorization.

22212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22212002 is about 4712.9610649782. The cubic root of 22212002 is about 281.1011148118.

Adding to 22212002 its reverse (20021222), we get a palindrome (42233224).

The spelling of 22212002 in words is "twenty-two million, two hundred twelve thousand, two".