227402001 has 12 divisors (see below), whose sum is σ = 328826628. Its totient is φ = 151436544.

The previous prime is 227401981. The next prime is 227402003. The reversal of 227402001 is 100204722.

It can be written as a sum of positive squares in 2 ways, for example, as 65221776 + 162180225 = 8076^2 + 12735^2 .

It is not a de Polignac number, because 227402001 - 2⁷ = 227401873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227402003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4680 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (27402219).

Almost surely, 2^227402001 is an apocalyptic number.

It is an amenable number.

227402001 is a deficient number, since it is larger than the sum of its proper divisors (101424627).

227402001 is a wasteful number, since it uses less digits than its factorization.

227402001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27472 (or 27469 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 227402001 is about 15079.8541438570. The cubic root of 227402001 is about 610.3769067268.

Adding to 227402001 its reverse (100204722), we get a palindrome (327606723).

The spelling of 227402001 in words is "two hundred twenty-seven million, four hundred two thousand, one".