2281559 has 8 divisors (see below), whose sum is σ = 2617248. Its totient is φ = 1948320.

The previous prime is 2281529. The next prime is 2281567. The reversal of 2281559 is 9551822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2281559 - 2²⁰ = 1232983 is a prime.

It is a super-2 number, since 2×2281559² = 10411022940962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369 + ... + 3189.

It is an arithmetic number, because the mean of its divisors is an integer number (327156).

2^2281559 is an apocalyptic number.

2281559 is a deficient number, since it is larger than the sum of its proper divisors (335689).

2281559 is an equidigital number, since it uses as much as digits as its factorization.

2281559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its digits is 7200, while the sum is 32.

The square root of 2281559 is about 1510.4830353235. The cubic root of 2281559 is about 131.6468791144.

The spelling of 2281559 in words is "two million, two hundred eighty-one thousand, five hundred fifty-nine".