2273372302221 has 12 divisors (see below), whose sum is σ = 3283773953148. Its totient is φ = 1515575091264.

The previous prime is 2273372302199. The next prime is 2273372302247. The reversal of 2273372302221 is 1222032733722.

It can be written as a sum of positive squares in 2 ways, for example, as 2187103800996 + 86268501225 = 1478886^2 + 293715^2 .

It is not a de Polignac number, because 2273372302221 - 2¹⁴ = 2273372285837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273372302321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2768401 + ... + 3494393.

It is an arithmetic number, because the mean of its divisors is an integer number (273647829429).

Almost surely, 2^{2273372302221} is an apocalyptic number.

It is an amenable number.

2273372302221 is a deficient number, since it is larger than the sum of its proper divisors (1010401650927).

2273372302221 is a wasteful number, since it uses less digits than its factorization.

2273372302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073932 (or 1073929 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 2273372302221 in words is "two trillion, two hundred seventy-three billion, three hundred seventy-two million, three hundred two thousand, two hundred twenty-one".