2002031122 has 72 divisors (see below), whose sum is σ = 3820875300. Its totient is φ = 784038528.

The previous prime is 2002031117. The next prime is 2002031123. The reversal of 2002031122 is 2211302002.

It can be written as a sum of positive squares in 6 ways, for example, as 55368481 + 1946662641 = 7441^2 + 44121^2 .

It is a super-2 number, since 2×2002031122² = 8016257226913157768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2002031123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1804704 + ... + 1805812.

Almost surely, 2^2002031122 is an apocalyptic number.

2002031122 is a deficient number, since it is larger than the sum of its proper divisors (1818844178).

2002031122 is a wasteful number, since it uses less digits than its factorization.

2002031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2002031122 is about 44744.0624217337. The cubic root of 2002031122 is about 1260.3474144881.

Adding to 2002031122 its reverse (2211302002), we get a palindrome (4213333124).

The spelling of 2002031122 in words is "two billion, two million, thirty-one thousand, one hundred twenty-two".