2002263997 has 4 divisors (see below), whose sum is σ = 2048828320. Its totient is φ = 1955699676.

The previous prime is 2002263959. The next prime is 2002264001. The reversal of 2002263997 is 7993622002.

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 2002263997 - 2¹¹ = 2002261949 is a prime.

It is a super-2 number, since 2×2002263997² = 8018122227364832018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002263797) 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, 23282097 + ... + 23282182.

It is an arithmetic number, because the mean of its divisors is an integer number (512207080).

Almost surely, 2^2002263997 is an apocalyptic number.

It is an amenable number.

2002263997 is a deficient number, since it is larger than the sum of its proper divisors (46564323).

2002263997 is an equidigital number, since it uses as much as digits as its factorization.

2002263997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46564322.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 2002263997 is about 44746.6646466527. The cubic root of 2002263997 is about 1260.3962801995.

Adding to 2002263997 its reverse (7993622002), we get a palindrome (9995885999).

The spelling of 2002263997 in words is "two billion, two million, two hundred sixty-three thousand, nine hundred ninety-seven".