226401345 has 16 divisors (see below), whose sum is σ = 402491520. Its totient is φ = 120747312.

The previous prime is 226401311. The next prime is 226401353. The reversal of 226401345 is 543104622.

226401345 is a `hidden beast` number, since 2 + 2 + 640 + 13 + 4 + 5 = 666.

It is not a de Polignac number, because 226401345 - 2¹¹ = 226399297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838389 + ... + 838658.

It is an arithmetic number, because the mean of its divisors is an integer number (25155720).

Almost surely, 2^226401345 is an apocalyptic number.

It is an amenable number.

226401345 is a deficient number, since it is larger than the sum of its proper divisors (176090175).

226401345 is a wasteful number, since it uses less digits than its factorization.

226401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677061 (or 1677055 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 226401345 is about 15046.6389934763. The cubic root of 226401345 is about 609.4802928115.

Adding to 226401345 its reverse (543104622), we get a palindrome (769505967).

The spelling of 226401345 in words is "two hundred twenty-six million, four hundred one thousand, three hundred forty-five".