200031213222 has 36 divisors (see below), whose sum is σ = 445431138516. Its totient is φ = 64874980080.

The previous prime is 200031213209. The next prime is 200031213227. The reversal of 200031213222 is 222312130002.

200031213222 is a `hidden beast` number, since 200 + 0 + 31 + 213 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200031213195 and 200031213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031213227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4034104 + ... + 4083387.

It is an arithmetic number, because the mean of its divisors is an integer number (12373087181).

Almost surely, 2^200031213222 is an apocalyptic number.

200031213222 is an abundant number, since it is smaller than the sum of its proper divisors (245399925294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200031213222 is a wasteful number, since it uses less digits than its factorization.

200031213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117573 (or 8117533 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 200031213222 its reverse (222312130002), we get a palindrome (422343343224).

The spelling of 200031213222 in words is "two hundred billion, thirty-one million, two hundred thirteen thousand, two hundred twenty-two".