2263544 has 16 divisors (see below), whose sum is σ = 4260120. Its totient is φ = 1127520.

The previous prime is 2263531. The next prime is 2263553. The reversal of 2263544 is 4453622.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁸ + 6² + 3¹³ + 5⁸ + 4² + 4² .

It is a congruent number.

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, 3914 + ... + 4454.

2^2263544 is an apocalyptic number.

It is an amenable number.

2263544 is a deficient number, since it is larger than the sum of its proper divisors (1996576).

2263544 is a wasteful number, since it uses less digits than its factorization.

2263544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1066 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 2263544 is about 1504.5078929670. The cubic root of 2263544 is about 131.2994722042.

The spelling of 2263544 in words is "two million, two hundred sixty-three thousand, five hundred forty-four".