2235780 has 36 divisors (see below), whose sum is σ = 6782412. Its totient is φ = 596160.

The previous prime is 2235773. The next prime is 2235791. The reversal of 2235780 is 875322.

It can be written as a sum of positive squares in 2 ways, for example, as 1617984 + 617796 = 1272^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 6031 + ... + 6390.

2^2235780 is an apocalyptic number.

2235780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2235780 is an abundant number, since it is smaller than the sum of its proper divisors (4546632).

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

2235780 is a wasteful number, since it uses less digits than its factorization.

2235780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436 (or 12431 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2235780 is about 1495.2524870402. The cubic root of 2235780 is about 130.7604346847.

The spelling of 2235780 in words is "two million, two hundred thirty-five thousand, seven hundred eighty".