2263340 has 12 divisors (see below), whose sum is σ = 4753056. Its totient is φ = 905328.

The previous prime is 2263321. The next prime is 2263357. The reversal of 2263340 is 433622.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 113167 = 2263340 / (2 + 2 + 6 + 3 + 3 + 4 + 0).

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁹ + 6⁸ + 3⁵ + 3¹⁰ + 4² + 0 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56564 + ... + 56603.

It is an arithmetic number, because the mean of its divisors is an integer number (396088).

2^2263340 is an apocalyptic number.

2263340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2263340 is an abundant number, since it is smaller than the sum of its proper divisors (2489716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2263340 is a wasteful number, since it uses less digits than its factorization.

2263340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113176 (or 113174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2263340 is about 1504.4400951849. The cubic root of 2263340 is about 131.2955276675.

Adding to 2263340 its reverse (433622), we get a palindrome (2696962).

It can be divided in two parts, 2263 and 340, that multiplied together give a triangular number (769420 = T₁₂₄₀).

The spelling of 2263340 in words is "two million, two hundred sixty-three thousand, three hundred forty".