2231559 has 12 divisors (see below), whose sum is σ = 3516552. Its totient is φ = 1352400.

The previous prime is 2231533. The next prime is 2231587. The reversal of 2231559 is 9551322.

It is not a de Polignac number, because 2231559 - 2⁷ = 2231431 is a prime.

It is a super-3 number, since 3×2231559³ = 33338524551021029637, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3 + 1 + 5³ + 5⁵ + 9² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231519) 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, 11172 + ... + 11369.

It is an arithmetic number, because the mean of its divisors is an integer number (293046).

2^2231559 is an apocalyptic number.

2231559 is a deficient number, since it is larger than the sum of its proper divisors (1284993).

2231559 is a wasteful number, since it uses less digits than its factorization.

2231559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22558 (or 22555 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2231559 is about 1493.8403529159. The cubic root of 2231559 is about 130.6780939206.

The spelling of 2231559 in words is "two million, two hundred thirty-one thousand, five hundred fifty-nine".