2289155 has 8 divisors (see below), whose sum is σ = 2996784. Its totient is φ = 1664800.

The previous prime is 2289151. The next prime is 2289163. The reversal of 2289155 is 5519822.

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

It is not a de Polignac number, because 2289155 - 2² = 2289151 is a prime.

It is a super-3 number, since 3×2289155³ = 35987100333745196625, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289151) 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, 20756 + ... + 20865.

It is an arithmetic number, because the mean of its divisors is an integer number (374598).

2^2289155 is an apocalyptic number.

2289155 is a deficient number, since it is larger than the sum of its proper divisors (707629).

2289155 is a wasteful number, since it uses less digits than its factorization.

2289155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41637.

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

The square root of 2289155 is about 1512.9953734232. The cubic root of 2289155 is about 131.7928147057.

The spelling of 2289155 in words is "two million, two hundred eighty-nine thousand, one hundred fifty-five".