2251842 has 16 divisors (see below), whose sum is σ = 4740960. Its totient is φ = 711072.

The previous prime is 2251841. The next prime is 2251849. The reversal of 2251842 is 2481522.

It is not an unprimeable number, because it can be changed into a prime (2251841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9763 + ... + 9990.

It is an arithmetic number, because the mean of its divisors is an integer number (296310).

2^2251842 is an apocalyptic number.

2251842 is an abundant number, since it is smaller than the sum of its proper divisors (2489118).

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

2251842 is a wasteful number, since it uses less digits than its factorization.

2251842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19777.

The product of its digits is 1280, while the sum is 24.

The square root of 2251842 is about 1500.6138743861. The cubic root of 2251842 is about 131.0728185171.

The spelling of 2251842 in words is "two million, two hundred fifty-one thousand, eight hundred forty-two".