2221296 has 80 divisors (see below), whose sum is σ = 7166208. Its totient is φ = 576000.

The previous prime is 2221273. The next prime is 2221301. The reversal of 2221296 is 6921222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3396 + ... + 3996.

2^2221296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583104).

2221296 is an abundant number, since it is smaller than the sum of its proper divisors (4944912).

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

2221296 is a wasteful number, since it uses less digits than its factorization.

2221296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 2221296 is about 1490.4012882442. The cubic root of 2221296 is about 130.4774553325.

The spelling of 2221296 in words is "two million, two hundred twenty-one thousand, two hundred ninety-six".