2287724 has 18 divisors (see below), whose sum is σ = 4255020. Its totient is φ = 1076032.

The previous prime is 2287699. The next prime is 2287739. The reversal of 2287724 is 4277822.

It is a happy number.

It is a super-2 number, since 2×2287724² = 10467362200352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (236390).

2^2287724 is an apocalyptic number.

It is an amenable number.

2287724 is a deficient number, since it is larger than the sum of its proper divisors (1967296).

2287724 is a wasteful number, since it uses less digits than its factorization.

2287724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 1998 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 2287724 is about 1512.5223965284. The cubic root of 2287724 is about 131.7653468075.

The spelling of 2287724 in words is "two million, two hundred eighty-seven thousand, seven hundred twenty-four".