226785744 has 50 divisors (see below), whose sum is σ = 656387490. Its totient is φ = 75594816.

The previous prime is 226785743. The next prime is 226785749. The reversal of 226785744 is 447587622.

It is a happy number.

226785744 is a `hidden beast` number, since 2 + 2 + 6 + 78 + 574 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 217857600 + 8928144 = 14760^2 + 2988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 226785744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226785743) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 86199 + ... + 88790.

Almost surely, 2^226785744 is an apocalyptic number.

226785744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

226785744 is an abundant number, since it is smaller than the sum of its proper divisors (429601746).

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

226785744 is a wasteful number, since it uses less digits than its factorization.

226785744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175009 (or 174994 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 226785744 is about 15059.4071596461. The cubic root of 226785744 is about 609.8250362670.

It can be divided in two parts, 226785 and 744, that added together give a square (227529 = 477²).

The spelling of 226785744 in words is "two hundred twenty-six million, seven hundred eighty-five thousand, seven hundred forty-four".