2002022637 has 4 divisors (see below), whose sum is σ = 2669363520. Its totient is φ = 1334681756.

The previous prime is 2002022621. The next prime is 2002022651. The reversal of 2002022637 is 7362202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002022637 - 2⁴ = 2002022621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002022657) 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, 333670437 + ... + 333670442.

It is an arithmetic number, because the mean of its divisors is an integer number (667340880).

Almost surely, 2^2002022637 is an apocalyptic number.

It is an amenable number.

2002022637 is a deficient number, since it is larger than the sum of its proper divisors (667340883).

2002022637 is an equidigital number, since it uses as much as digits as its factorization.

2002022637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667340882.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2002022637 is about 44743.9676045833. The cubic root of 2002022637 is about 1260.3456339526.

Adding to 2002022637 its reverse (7362202002), we get a palindrome (9364224639).

The spelling of 2002022637 in words is "two billion, two million, twenty-two thousand, six hundred thirty-seven".