2202044505221 has 4 divisors (see below), whose sum is σ = 2402230369344. Its totient is φ = 2001858641100.

The previous prime is 2202044505217. The next prime is 2202044505259. The reversal of 2202044505221 is 1225054402022.

It is a happy number.

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 2202044505221 - 2² = 2202044505217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202044504221) 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, 100092932045 + ... + 100092932066.

It is an arithmetic number, because the mean of its divisors is an integer number (600557592336).

Almost surely, 2^{2202044505221} is an apocalyptic number.

It is an amenable number.

2202044505221 is a deficient number, since it is larger than the sum of its proper divisors (200185864123).

2202044505221 is a wasteful number, since it uses less digits than its factorization.

2202044505221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200185864122.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 2202044505221 its reverse (1225054402022), we get a palindrome (3427098907243).

The spelling of 2202044505221 in words is "two trillion, two hundred two billion, forty-four million, five hundred five thousand, two hundred twenty-one".