227447397 has 24 divisors (see below), whose sum is σ = 331915584. Its totient is φ = 150081984.

The previous prime is 227447393. The next prime is 227447401. The reversal of 227447397 is 793744722.

227447397 is a `hidden beast` number, since 22 + 74 + 473 + 97 = 666.

227447397 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 (227447393) and next prime (227447401).

It is not a de Polignac number, because 227447397 - 2² = 227447393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227447393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726513 + ... + 726825.

It is an arithmetic number, because the mean of its divisors is an integer number (13829816).

Almost surely, 2^227447397 is an apocalyptic number.

It is an amenable number.

227447397 is a deficient number, since it is larger than the sum of its proper divisors (104468187).

227447397 is a wasteful number, since it uses less digits than its factorization.

227447397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 886 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 227447397 is about 15081.3592557170. The cubic root of 227447397 is about 610.4175203044.

The spelling of 227447397 in words is "two hundred twenty-seven million, four hundred forty-seven thousand, three hundred ninety-seven".