226781007 has 8 divisors (see below), whose sum is σ = 304064640. Its totient is φ = 150342360.

The previous prime is 226780999. The next prime is 226781039. The reversal of 226781007 is 700187622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226781007 - 2³ = 226780999 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226781047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210619 + ... + 211692.

It is an arithmetic number, because the mean of its divisors is an integer number (38008080).

Almost surely, 2^226781007 is an apocalyptic number.

226781007 is a deficient number, since it is larger than the sum of its proper divisors (77283633).

226781007 is a wasteful number, since it uses less digits than its factorization.

226781007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422493.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 226781007 is about 15059.2498817172. The cubic root of 226781007 is about 609.8207903192.

The spelling of 226781007 in words is "two hundred twenty-six million, seven hundred eighty-one thousand, seven".