2002269421 has 4 divisors (see below), whose sum is σ = 2002373532. Its totient is φ = 2002165312.

The previous prime is 2002269407. The next prime is 2002269433. The reversal of 2002269421 is 1249622002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 887444100 + 1114825321 = 29790^2 + 33389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002269421 - 2⁵ = 2002269389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002269421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002269461) 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, 13870 + ... + 64783.

It is an arithmetic number, because the mean of its divisors is an integer number (500593383).

Almost surely, 2^2002269421 is an apocalyptic number.

It is an amenable number.

2002269421 is a deficient number, since it is larger than the sum of its proper divisors (104111).

2002269421 is an equidigital number, since it uses as much as digits as its factorization.

2002269421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104110.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2002269421 is about 44746.7252544809. The cubic root of 2002269421 is about 1260.3974183084.

The spelling of 2002269421 in words is "two billion, two million, two hundred sixty-nine thousand, four hundred twenty-one".