2261994 has 16 divisors (see below), whose sum is σ = 5170368. Its totient is φ = 646272.

The previous prime is 2261993. The next prime is 2262017. The reversal of 2261994 is 4991622.

It is not an unprimeable number, because it can be changed into a prime (2261993) 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, 26887 + ... + 26970.

It is an arithmetic number, because the mean of its divisors is an integer number (323148).

2^2261994 is an apocalyptic number.

2261994 is an abundant number, since it is smaller than the sum of its proper divisors (2908374).

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

2261994 is a wasteful number, since it uses less digits than its factorization.

2261994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53869.

The product of its digits is 7776, while the sum is 33.

The square root of 2261994 is about 1503.9926861524. The cubic root of 2261994 is about 131.2694955167.

The spelling of 2261994 in words is "two million, two hundred sixty-one thousand, nine hundred ninety-four".