22212210002 has 8 divisors (see below), whose sum is σ = 33318964812. Its totient is φ = 11105888400.

The previous prime is 22212209969. The next prime is 22212210023. The reversal of 22212210002 is 20001221222.

It can be written as a sum of positive squares in 2 ways, for example, as 14944818001 + 7267392001 = 122249^2 + 85249^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100052 + ... + 233312.

Almost surely, 2^22212210002 is an apocalyptic number.

22212210002 is a deficient number, since it is larger than the sum of its proper divisors (11106754810).

22212210002 is a wasteful number, since it uses less digits than its factorization.

22212210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216604.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22212210002 its reverse (20001221222), we get a palindrome (42213431224).

The spelling of 22212210002 in words is "twenty-two billion, two hundred twelve million, two hundred ten thousand, two".