2245578 has 16 divisors (see below), whose sum is σ = 4636416. Its totient is φ = 724320.

The previous prime is 2245577. The next prime is 2245583. The reversal of 2245578 is 8755422.

It is a super-3 number, since 3×2245578³ = 33970793335796521656, which contains 333 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2245577) 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, 5851 + ... + 6222.

It is an arithmetic number, because the mean of its divisors is an integer number (289776).

2^2245578 is an apocalyptic number.

2245578 is an abundant number, since it is smaller than the sum of its proper divisors (2390838).

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

2245578 is a wasteful number, since it uses less digits than its factorization.

2245578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109.

The product of its digits is 22400, while the sum is 33.

The square root of 2245578 is about 1498.5252750621. The cubic root of 2245578 is about 130.9511695714.

The spelling of 2245578 in words is "two million, two hundred forty-five thousand, five hundred seventy-eight".