2231101222 has 24 divisors (see below), whose sum is σ = 3906946440. Its totient is φ = 952771680.

The previous prime is 2231101219. The next prime is 2231101237. The reversal of 2231101222 is 2221011322.

It is a happy number.

It is a super-3 number, since 3×2231101222³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231101196 and 2231101205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12972 + ... + 68047.

It is an arithmetic number, because the mean of its divisors is an integer number (162789435).

Almost surely, 2^2231101222 is an apocalyptic number.

2231101222 is a deficient number, since it is larger than the sum of its proper divisors (1675845218).

2231101222 is a wasteful number, since it uses less digits than its factorization.

2231101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81316 (or 81309 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2231101222 is about 47234.5342096225. The cubic root of 2231101222 is about 1306.6915761975.

Adding to 2231101222 its reverse (2221011322), we get a palindrome (4452112544).

The spelling of 2231101222 in words is "two billion, two hundred thirty-one million, one hundred one thousand, two hundred twenty-two".