1201332222 has 40 divisors (see below), whose sum is σ = 2703040296. Its totient is φ = 400430952.

The previous prime is 1201332203. The next prime is 1201332229. The reversal of 1201332222 is 2222331021.

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 = 1201332195 and 1201332204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201332229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24108 + ... + 54624.

Almost surely, 2^1201332222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201332222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351520148).

1201332222 is an abundant number, since it is smaller than the sum of its proper divisors (1501708074).

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

1201332222 is an frugal number, since it uses more digits than its factorization.

1201332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30546 (or 30522 counting only the distinct ones).

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

The square root of 1201332222 is about 34660.2397856680. The cubic root of 1201332222 is about 1063.0516729471.

Adding to 1201332222 its reverse (2222331021), we get a palindrome (3423663243).

The spelling of 1201332222 in words is "one billion, two hundred one million, three hundred thirty-two thousand, two hundred twenty-two".