2881224 has 32 divisors (see below), whose sum is σ = 8004000. Its totient is φ = 960336.

The previous prime is 2881183. The next prime is 2881243. The reversal of 2881224 is 4221882.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (250125).

2^2881224 is an apocalyptic number.

2881224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2881224 is an abundant number, since it is smaller than the sum of its proper divisors (5122776).

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

2881224 is a wasteful number, since it uses less digits than its factorization.

2881224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13354 (or 13344 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2881224 is about 1697.4168609979. The cubic root of 2881224 is about 142.2958850536.

The spelling of 2881224 in words is "two million, eight hundred eighty-one thousand, two hundred twenty-four".