2243142 has 24 divisors (see below), whose sum is σ = 5302440. Its totient is φ = 679680.

The previous prime is 2243123. The next prime is 2243161. The reversal of 2243142 is 2413422.

It is an interprime number because it is at equal distance from previous prime (2243123) and next prime (2243161).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5467 + ... + 5862.

It is an arithmetic number, because the mean of its divisors is an integer number (220935).

2^2243142 is an apocalyptic number.

2243142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2243142 is an abundant number, since it is smaller than the sum of its proper divisors (3059298).

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

2243142 is a wasteful number, since it uses less digits than its factorization.

2243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348 (or 11345 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2243142 is about 1497.7122554082. The cubic root of 2243142 is about 130.9038005543.

Adding to 2243142 its reverse (2413422), we get a palindrome (4656564).

The spelling of 2243142 in words is "two million, two hundred forty-three thousand, one hundred forty-two".