220031201222 has 24 divisors (see below), whose sum is σ = 404138944440. Its totient is φ = 89335975680.

The previous prime is 220031201219. The next prime is 220031201227. The reversal of 220031201222 is 222102130022.

It is a super-2 number, since 2×220031201222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220031201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220031201227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59082779 + ... + 59086502.

It is an arithmetic number, because the mean of its divisors is an integer number (16839122685).

Almost surely, 2^220031201222 is an apocalyptic number.

220031201222 is a deficient number, since it is larger than the sum of its proper divisors (184107743218).

220031201222 is a wasteful number, since it uses less digits than its factorization.

220031201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118169316 (or 118169309 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 220031201222 its reverse (222102130022), we get a palindrome (442133331244).

The spelling of 220031201222 in words is "two hundred twenty billion, thirty-one million, two hundred one thousand, two hundred twenty-two".