224778288 has 60 divisors (see below), whose sum is σ = 675488760. Its totient is φ = 64221696.

The previous prime is 224778269. The next prime is 224778317. The reversal of 224778288 is 882877422.

It is a Harshad number since it is a multiple of its sum of digits (48).

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

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 11 ways as a sum of consecutive naturals, for example, 45433 + ... + 50136.

It is an arithmetic number, because the mean of its divisors is an integer number (11258146).

Almost surely, 2^224778288 is an apocalyptic number.

224778288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

224778288 is an abundant number, since it is smaller than the sum of its proper divisors (450710472).

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

224778288 is a wasteful number, since it uses less digits than its factorization.

224778288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95594 (or 95581 counting only the distinct ones).

The product of its digits is 802816, while the sum is 48.

The square root of 224778288 is about 14992.6077785020. The cubic root of 224778288 is about 608.0203565437.

The spelling of 224778288 in words is "two hundred twenty-four million, seven hundred seventy-eight thousand, two hundred eighty-eight".