2242845 has 48 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 1034880.

The previous prime is 2242843. The next prime is 2242847. The reversal of 2242845 is 5482422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2242843) and next prime (2242847).

It is not a de Polignac number, because 2242845 - 2¹ = 2242843 is a prime.

2242845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11287 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

2^2242845 is an apocalyptic number.

It is an amenable number.

2242845 is a deficient number, since it is larger than the sum of its proper divisors (2205027).

2242845 is a wasteful number, since it uses less digits than its factorization.

2242845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 239 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 2242845 is about 1497.6131009042. The cubic root of 2242845 is about 130.8980229226.

The spelling of 2242845 in words is "two million, two hundred forty-two thousand, eight hundred forty-five".