226475397 has 12 divisors (see below), whose sum is σ = 327467244. Its totient is φ = 150828480.

The previous prime is 226475369. The next prime is 226475401. The reversal of 226475397 is 793574622.

It can be written as a sum of positive squares in 2 ways, for example, as 5239521 + 221235876 = 2289^2 + 14874^2 .

It is not a de Polignac number, because 226475397 - 2¹¹ = 226473349 is a prime.

It is a super-2 number, since 2×226475397² = 102582210892615218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226475357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3304 + ... + 21537.

It is an arithmetic number, because the mean of its divisors is an integer number (27288937).

Almost surely, 2^226475397 is an apocalyptic number.

It is an amenable number.

226475397 is a deficient number, since it is larger than the sum of its proper divisors (100991847).

226475397 is a wasteful number, since it uses less digits than its factorization.

226475397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25860 (or 25857 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 226475397 is about 15049.0995411686. The cubic root of 226475397 is about 609.5467357542.

The spelling of 226475397 in words is "two hundred twenty-six million, four hundred seventy-five thousand, three hundred ninety-seven".