226378697 has 4 divisors (see below), whose sum is σ = 228712596. Its totient is φ = 224044800.

The previous prime is 226378679. The next prime is 226378769. The reversal of 226378697 is 796873622.

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 117050761 + 109327936 = 10819^2 + 10456^2 .

It is a cyclic number.

It is not a de Polignac number, because 226378697 - 2⁸ = 226378441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226378667) 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, 1166804 + ... + 1166997.

It is an arithmetic number, because the mean of its divisors is an integer number (57178149).

Almost surely, 2^226378697 is an apocalyptic number.

It is an amenable number.

226378697 is a deficient number, since it is larger than the sum of its proper divisors (2333899).

226378697 is an equidigital number, since it uses as much as digits as its factorization.

226378697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333898.

The product of its digits is 1524096, while the sum is 50.

The square root of 226378697 is about 15045.8863813336. The cubic root of 226378697 is about 609.4599690660.

The spelling of 226378697 in words is "two hundred twenty-six million, three hundred seventy-eight thousand, six hundred ninety-seven".