226064647 has 4 divisors (see below), whose sum is σ = 226559776. Its totient is φ = 225569520.

The previous prime is 226064593. The next prime is 226064681. The reversal of 226064647 is 746460622.

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

It is a cyclic number.

It is not a de Polignac number, because 226064647 - 2⁷ = 226064519 is a prime.

It is a super-2 number, since 2×226064647² = 102210449246469218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226014647) 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, 246879 + ... + 247792.

It is an arithmetic number, because the mean of its divisors is an integer number (56639944).

Almost surely, 2^226064647 is an apocalyptic number.

226064647 is a deficient number, since it is larger than the sum of its proper divisors (495129).

226064647 is an equidigital number, since it uses as much as digits as its factorization.

226064647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495128.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 226064647 is about 15035.4463518713. The cubic root of 226064647 is about 609.1780086713.

The spelling of 226064647 in words is "two hundred twenty-six million, sixty-four thousand, six hundred forty-seven".