226979784 has 48 divisors (see below), whose sum is σ = 650901420. Its totient is φ = 71208960.

The previous prime is 226979771. The next prime is 226979789. The reversal of 226979784 is 487979622.

It can be written as a sum of positive squares in 2 ways, for example, as 213802884 + 13176900 = 14622^2 + 3630^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 226979784.

It is not an unprimeable number, because it can be changed into a prime (226979789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91497 + ... + 93944.

Almost surely, 2^226979784 is an apocalyptic number.

226979784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

226979784 is an abundant number, since it is smaller than the sum of its proper divisors (423921636).

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

226979784 is a wasteful number, since it uses less digits than its factorization.

226979784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185470 (or 185463 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 226979784 is about 15065.8482668584. The cubic root of 226979784 is about 609.9989106851.

The spelling of 226979784 in words is "two hundred twenty-six million, nine hundred seventy-nine thousand, seven hundred eighty-four".