1331222332 has 24 divisors (see below), whose sum is σ = 2690921520. Its totient is φ = 569506560.

The previous prime is 1331222329. The next prime is 1331222363. The reversal of 1331222332 is 2332221331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889107 + ... + 890602.

It is an arithmetic number, because the mean of its divisors is an integer number (112121730).

Almost surely, 2^1331222332 is an apocalyptic number.

It is an amenable number.

1331222332 is an abundant number, since it is smaller than the sum of its proper divisors (1359699188).

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

1331222332 is a wasteful number, since it uses less digits than its factorization.

1331222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779741 (or 1779739 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1331222332 is about 36485.9196403215. The cubic root of 1331222332 is about 1100.0612450748.

Adding to 1331222332 its reverse (2332221331), we get a palindrome (3663443663).

The spelling of 1331222332 in words is "one billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-two".