2202012204421 has 4 divisors (see below), whose sum is σ = 2202224130144. Its totient is φ = 2201800278700.

The previous prime is 2202012204397. The next prime is 2202012204433. The reversal of 2202012204421 is 1244022102022.

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 2202012204421 - 2⁵ = 2202012204389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202012204392 and 2202012204401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202012204221) 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, 105947275 + ... + 105968056.

It is an arithmetic number, because the mean of its divisors is an integer number (550556032536).

Almost surely, 2^{2202012204421} is an apocalyptic number.

It is an amenable number.

2202012204421 is a deficient number, since it is larger than the sum of its proper divisors (211925723).

2202012204421 is a wasteful number, since it uses less digits than its factorization.

2202012204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211925722.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2202012204421 its reverse (1244022102022), we get a palindrome (3446034306443).

The spelling of 2202012204421 in words is "two trillion, two hundred two billion, twelve million, two hundred four thousand, four hundred twenty-one".