2202043421 has 4 divisors (see below), whose sum is σ = 2217885600. Its totient is φ = 2186201244.

The previous prime is 2202043409. The next prime is 2202043423. The reversal of 2202043421 is 1243402022.

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 2202043421 - 2⁶ = 2202043357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202043393 and 2202043402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202043423) 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, 7920881 + ... + 7921158.

It is an arithmetic number, because the mean of its divisors is an integer number (554471400).

Almost surely, 2^2202043421 is an apocalyptic number.

It is an amenable number.

2202043421 is a deficient number, since it is larger than the sum of its proper divisors (15842179).

2202043421 is a wasteful number, since it uses less digits than its factorization.

2202043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15842178.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2202043421 is about 46925.9354834829. The cubic root of 2202043421 is about 1300.9939973763.

Adding to 2202043421 its reverse (1243402022), we get a palindrome (3445445443).

The spelling of 2202043421 in words is "two billion, two hundred two million, forty-three thousand, four hundred twenty-one".