226506747 has 4 divisors (see below), whose sum is σ = 302009000. Its totient is φ = 151004496.

The previous prime is 226506743. The next prime is 226506769. The reversal of 226506747 is 747605622.

It is a happy number.

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

It is not a de Polignac number, because 226506747 - 2² = 226506743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226506743) 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, 37751122 + ... + 37751127.

It is an arithmetic number, because the mean of its divisors is an integer number (75502250).

Almost surely, 2^226506747 is an apocalyptic number.

226506747 is a deficient number, since it is larger than the sum of its proper divisors (75502253).

226506747 is an equidigital number, since it uses as much as digits as its factorization.

226506747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75502252.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 226506747 is about 15050.1410956841. The cubic root of 226506747 is about 609.5748600873.

The spelling of 226506747 in words is "two hundred twenty-six million, five hundred six thousand, seven hundred forty-seven".