2246643 has 16 divisors (see below), whose sum is σ = 3804160. Its totient is φ = 1283688.

The previous prime is 2246641. The next prime is 2246683. The reversal of 2246643 is 3466422.

It is not a de Polignac number, because 2246643 - 2¹ = 2246641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 4 + 6 + 6⁴ + 4⁷ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5755 + ... + 6132.

It is an arithmetic number, because the mean of its divisors is an integer number (237760).

2^2246643 is an apocalyptic number.

2246643 is a deficient number, since it is larger than the sum of its proper divisors (1557517).

2246643 is a wasteful number, since it uses less digits than its factorization.

2246643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11903 (or 11897 counting only the distinct ones).

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

The square root of 2246643 is about 1498.8805823013. The cubic root of 2246643 is about 130.9718681701.

It can be divided in two parts, 22 and 46643, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 2246643 in words is "two million, two hundred forty-six thousand, six hundred forty-three".