226781450 has 48 divisors (see below), whose sum is σ = 498718080. Its totient is φ = 75069120.

The previous prime is 226781437. The next prime is 226781453. The reversal of 226781450 is 54187622.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 226781450.

It is not an unprimeable number, because it can be changed into a prime (226781453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1022 + ... + 21321.

It is an arithmetic number, because the mean of its divisors is an integer number (10389960).

Almost surely, 2^226781450 is an apocalyptic number.

226781450 is an abundant number, since it is smaller than the sum of its proper divisors (271936630).

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

226781450 is a wasteful number, since it uses less digits than its factorization.

226781450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22391 (or 22386 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 226781450 is about 15059.2645902780. The cubic root of 226781450 is about 609.8211873989.

The spelling of 226781450 in words is "two hundred twenty-six million, seven hundred eighty-one thousand, four hundred fifty".