227731401 has 24 divisors (see below), whose sum is σ = 333425664. Its totient is φ = 149768640.

The previous prime is 227731379. The next prime is 227731429. The reversal of 227731401 is 104137722.

It is a happy number.

227731401 is a `hidden beast` number, since 227 + 7 + 31 + 401 = 666.

It is not a de Polignac number, because 227731401 - 2⁵ = 227731369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227731481) 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, 235020 + ... + 235986.

It is an arithmetic number, because the mean of its divisors is an integer number (13892736).

Almost surely, 2^227731401 is an apocalyptic number.

It is an amenable number.

227731401 is a deficient number, since it is larger than the sum of its proper divisors (105694263).

227731401 is a wasteful number, since it uses less digits than its factorization.

227731401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 227731401 is about 15090.7720478443. The cubic root of 227731401 is about 610.6714821926.

The spelling of 227731401 in words is "two hundred twenty-seven million, seven hundred thirty-one thousand, four hundred one".