2281555 has 8 divisors (see below), whose sum is σ = 2760192. Its totient is φ = 1810368.

The previous prime is 2281529. The next prime is 2281567. The reversal of 2281555 is 5551822.

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 2281555 - 2¹³ = 2273363 is a prime.

It is a Duffinian number.

2281555 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (345024).

2^2281555 is an apocalyptic number.

2281555 is a deficient number, since it is larger than the sum of its proper divisors (478637).

2281555 is a wasteful number, since it uses less digits than its factorization.

2281555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725.

The product of its digits is 4000, while the sum is 28.

The square root of 2281555 is about 1510.4817112431. The cubic root of 2281555 is about 131.6468021804.

The spelling of 2281555 in words is "two million, two hundred eighty-one thousand, five hundred fifty-five".