1122002331 has 4 divisors (see below), whose sum is σ = 1496003112. Its totient is φ = 748001552.

The previous prime is 1122002327. The next prime is 1122002339. The reversal of 1122002331 is 1332002211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122002331 - 2² = 1122002327 is a prime.

It is a super-2 number, since 2×1122002331² = 2517778461538867122, which contains 22 as substring.

1122002331 is a modest number, since divided by 2331 gives 1122 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1122002331.

It is not an unprimeable number, because it can be changed into a prime (1122002339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187000386 + ... + 187000391.

It is an arithmetic number, because the mean of its divisors is an integer number (374000778).

Almost surely, 2^1122002331 is an apocalyptic number.

1122002331 is a deficient number, since it is larger than the sum of its proper divisors (374000781).

1122002331 is an equidigital number, since it uses as much as digits as its factorization.

1122002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374000780.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1122002331 is about 33496.3032437909. The cubic root of 1122002331 is about 1039.1173264474.

Adding to 1122002331 its reverse (1332002211), we get a palindrome (2454004542).

The spelling of 1122002331 in words is "one billion, one hundred twenty-two million, two thousand, three hundred thirty-one".