22012212010 has 8 divisors (see below), whose sum is σ = 39621981636. Its totient is φ = 8804884800.

The previous prime is 22012211989. The next prime is 22012212041. The reversal of 22012212010 is 1021221022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21354853689 + 657358321 = 146133^2 + 25639^2 .

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, 1100610591 + ... + 1100610610.

Almost surely, 2^22012212010 is an apocalyptic number.

22012212010 is a deficient number, since it is larger than the sum of its proper divisors (17609769626).

22012212010 is a wasteful number, since it uses less digits than its factorization.

22012212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201221208.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22012212010 its reverse (1021221022), we get a palindrome (23033433032).

The spelling of 22012212010 in words is "twenty-two billion, twelve million, two hundred twelve thousand, ten".