2259780 has 24 divisors (see below), whose sum is σ = 6327552. Its totient is φ = 602592.

The previous prime is 2259769. The next prime is 2259781. The reversal of 2259780 is 879522.

It is not an unprimeable number, because it can be changed into a prime (2259781) 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, 18772 + ... + 18891.

It is an arithmetic number, because the mean of its divisors is an integer number (263648).

2^2259780 is an apocalyptic number.

2259780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2259780 is an abundant number, since it is smaller than the sum of its proper divisors (4067772).

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

2259780 is a wasteful number, since it uses less digits than its factorization.

2259780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37675 (or 37673 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2259780 is about 1503.2564651449. The cubic root of 2259780 is about 131.2266534438.

The spelling of 2259780 in words is "two million, two hundred fifty-nine thousand, seven hundred eighty".