227445845 has 16 divisors (see below), whose sum is σ = 305797248. Its totient is φ = 160943040.

The previous prime is 227445833. The next prime is 227445857. The reversal of 227445845 is 548544722.

It is a happy number.

227445845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (227445833) and next prime (227445857).

It is a de Polignac number, because none of the positive numbers 2^k-227445845 is a prime.

It is a super-2 number, since 2×227445845² = 103463224815528050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 53849 + ... + 57918.

It is an arithmetic number, because the mean of its divisors is an integer number (19112328).

Almost surely, 2^227445845 is an apocalyptic number.

It is an amenable number.

227445845 is a deficient number, since it is larger than the sum of its proper divisors (78351403).

227445845 is a wasteful number, since it uses less digits than its factorization.

227445845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111820.

The product of its digits is 358400, while the sum is 41.

The square root of 227445845 is about 15081.3078013812. The cubic root of 227445845 is about 610.4161318952.

The spelling of 227445845 in words is "two hundred twenty-seven million, four hundred forty-five thousand, eight hundred forty-five".