2221273896 has 16 divisors (see below), whose sum is σ = 5553184800. Its totient is φ = 740424624.

The previous prime is 2221273891. The next prime is 2221273897. The reversal of 2221273896 is 6983721222.

It is a super-3 number, since 3×2221273896³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221273891) 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, 46276516 + ... + 46276563.

It is an arithmetic number, because the mean of its divisors is an integer number (347074050).

Almost surely, 2^2221273896 is an apocalyptic number.

It is an amenable number.

2221273896 is an abundant number, since it is smaller than the sum of its proper divisors (3331910904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221273896 is a wasteful number, since it uses less digits than its factorization.

2221273896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92553088 (or 92553084 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 2221273896 is about 47130.3924872263. The cubic root of 2221273896 is about 1304.7702253959.

The spelling of 2221273896 in words is "two billion, two hundred twenty-one million, two hundred seventy-three thousand, eight hundred ninety-six".