2205456 has 40 divisors (see below), whose sum is σ = 6216864. Its totient is φ = 668160.

The previous prime is 2205451. The next prime is 2205481. The reversal of 2205456 is 6545022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2205451) 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, 1561 + ... + 2616.

2^2205456 is an apocalyptic number.

It is an amenable number.

2205456 is an abundant number, since it is smaller than the sum of its proper divisors (4011408).

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

2205456 is a wasteful number, since it uses less digits than its factorization.

2205456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2205456 is about 1485.0777757411. The cubic root of 2205456 is about 130.1665714875.

The spelling of 2205456 in words is "two million, two hundred five thousand, four hundred fifty-six".