2287490 has 32 divisors (see below), whose sum is σ = 4368384. Its totient is φ = 861120.

The previous prime is 2287487. The next prime is 2287501. The reversal of 2287490 is 947822.

It is a super-2 number, since 2×2287490² = 10465221000200, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁹ + 8⁵ + 7⁶ + 4¹⁰ + 9⁶ + 0 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14492 + ... + 14648.

It is an arithmetic number, because the mean of its divisors is an integer number (136512).

2^2287490 is an apocalyptic number.

2287490 is a deficient number, since it is larger than the sum of its proper divisors (2080894).

2287490 is a wasteful number, since it uses less digits than its factorization.

2287490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2287490 is about 1512.4450403238. The cubic root of 2287490 is about 131.7608541119.

The spelling of 2287490 in words is "two million, two hundred eighty-seven thousand, four hundred ninety".