222221593 has 16 divisors (see below), whose sum is σ = 254294784. Its totient is φ = 192360960.

The previous prime is 222221567. The next prime is 222221611. The reversal of 222221593 is 395122222.

It is not a de Polignac number, because 222221593 - 2¹³ = 222213401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221543) 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, 13321 + ... + 24937.

It is an arithmetic number, because the mean of its divisors is an integer number (15893424).

Almost surely, 2^222221593 is an apocalyptic number.

It is an amenable number.

222221593 is a deficient number, since it is larger than the sum of its proper divisors (32073191).

222221593 is a wasteful number, since it uses less digits than its factorization.

222221593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712.

The product of its digits is 4320, while the sum is 28.

The square root of 222221593 is about 14907.0987452287. The cubic root of 222221593 is about 605.7062925905.

The spelling of 222221593 in words is "two hundred twenty-two million, two hundred twenty-one thousand, five hundred ninety-three".