2263442 has 4 divisors (see below), whose sum is σ = 3395166. Its totient is φ = 1131720.

The previous prime is 2263441. The next prime is 2263447. The reversal of 2263442 is 2443622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2443622 = 2 ⋅1221811.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 192721 = 1439^2 + 439^2 .

It is not an unprimeable number, because it can be changed into a prime (2263441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565859 + ... + 565862.

2^2263442 is an apocalyptic number.

2263442 is a deficient number, since it is larger than the sum of its proper divisors (1131724).

2263442 is a wasteful number, since it uses less digits than its factorization.

2263442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131723.

The product of its digits is 2304, while the sum is 23.

The square root of 2263442 is about 1504.4739944579. The cubic root of 2263442 is about 131.2974999654.

The spelling of 2263442 in words is "two million, two hundred sixty-three thousand, four hundred forty-two".