226678477 has 4 divisors (see below), whose sum is σ = 227651580. Its totient is φ = 225705376.

The previous prime is 226678457. The next prime is 226678481. The reversal of 226678477 is 774876622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95140516 + 131537961 = 9754^2 + 11469^2 .

It is a cyclic number.

It is not a de Polignac number, because 226678477 - 2⁷ = 226678349 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226678477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226678447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486202 + ... + 486667.

It is an arithmetic number, because the mean of its divisors is an integer number (56912895).

Almost surely, 2^226678477 is an apocalyptic number.

It is an amenable number.

226678477 is a deficient number, since it is larger than the sum of its proper divisors (973103).

226678477 is an equidigital number, since it uses as much as digits as its factorization.

226678477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973102.

The product of its digits is 1580544, while the sum is 49.

The square root of 226678477 is about 15055.8452768352. The cubic root of 226678477 is about 609.7288744050.

The spelling of 226678477 in words is "two hundred twenty-six million, six hundred seventy-eight thousand, four hundred seventy-seven".