2264643 has 12 divisors (see below), whose sum is σ = 3377088. Its totient is φ = 1460880.

The previous prime is 2264641. The next prime is 2264657. The reversal of 2264643 is 3464622.

It is not a de Polignac number, because 2264643 - 2¹ = 2264641 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁹ + 6⁵ + 4⁴ + 6⁸ + 4⁴ + 3⁹ .

It is not an unprimeable number, because it can be changed into a prime (2264641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3780 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (281424).

2^2264643 is an apocalyptic number.

2264643 is a deficient number, since it is larger than the sum of its proper divisors (1112445).

2264643 is a wasteful number, since it uses less digits than its factorization.

2264643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154 (or 8151 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2264643 is about 1504.8730843496. The cubic root of 2264643 is about 131.3207183522.

The spelling of 2264643 in words is "two million, two hundred sixty-four thousand, six hundred forty-three".