2221593 has 16 divisors (see below), whose sum is σ = 3373056. Its totient is φ = 1287440.

The previous prime is 2221589. The next prime is 2221631. The reversal of 2221593 is 3951222.

It is not a de Polignac number, because 2221593 - 2² = 2221589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 2222.

It is an arithmetic number, because the mean of its divisors is an integer number (210816).

2^2221593 is an apocalyptic number.

2221593 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2221593 is a deficient number, since it is larger than the sum of its proper divisors (1151463).

2221593 is a wasteful number, since it uses less digits than its factorization.

2221593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

The product of its digits is 1080, while the sum is 24.

The square root of 2221593 is about 1490.5009225089. The cubic root of 2221593 is about 130.4832702677.

The spelling of 2221593 in words is "two million, two hundred twenty-one thousand, five hundred ninety-three".