2255700 has 72 divisors (see below), whose sum is σ = 6680128. Its totient is φ = 587520.

The previous prime is 2255681. The next prime is 2255717. The reversal of 2255700 is 75522.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21849 + ... + 21951.

2^2255700 is an apocalyptic number.

2255700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3340064).

2255700 is an abundant number, since it is smaller than the sum of its proper divisors (4424428).

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

2255700 is a wasteful number, since it uses less digits than its factorization.

2255700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2255700 is about 1501.8987981885. The cubic root of 2255700 is about 131.1476299265.

The spelling of 2255700 in words is "two million, two hundred fifty-five thousand, seven hundred".