22222001210 has 8 divisors (see below), whose sum is σ = 39999602196. Its totient is φ = 8888800480.

The previous prime is 22222001201. The next prime is 22222001257. The reversal of 22222001210 is 1210022222.

It can be written as a sum of positive squares in 2 ways, for example, as 20569009561 + 1652991649 = 143419^2 + 40657^2 .

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, 1111100051 + ... + 1111100070.

Almost surely, 2^22222001210 is an apocalyptic number.

22222001210 is a deficient number, since it is larger than the sum of its proper divisors (17777600986).

22222001210 is a wasteful number, since it uses less digits than its factorization.

22222001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222200128.

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

Adding to 22222001210 its reverse (1210022222), we get a palindrome (23432023432).

The spelling of 22222001210 in words is "twenty-two billion, two hundred twenty-two million, one thousand, two hundred ten".