2001072292 has 12 divisors (see below), whose sum is σ = 3502218076. Its totient is φ = 1000438560.

The previous prime is 2001072259. The next prime is 2001072299. The reversal of 2001072292 is 2922701002.

It can be written as a sum of positive squares in 2 ways, for example, as 1337803776 + 663268516 = 36576^2 + 25754^2 .

It is not an unprimeable number, because it can be changed into a prime (2001072299) 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, 41542 + ... + 75682.

Almost surely, 2^2001072292 is an apocalyptic number.

It is an amenable number.

2001072292 is a deficient number, since it is larger than the sum of its proper divisors (1501145784).

2001072292 is a wasteful number, since it uses less digits than its factorization.

2001072292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48798 (or 48796 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2001072292 is about 44733.3465325366. The cubic root of 2001072292 is about 1260.1461768764.

Adding to 2001072292 its reverse (2922701002), we get a palindrome (4923773294).

The spelling of 2001072292 in words is "two billion, one million, seventy-two thousand, two hundred ninety-two".