227002381 has 4 divisors (see below), whose sum is σ = 227052000. Its totient is φ = 226952764.

The previous prime is 227002361. The next prime is 227002409. The reversal of 227002381 is 183200722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 227002381 - 2²¹ = 224905229 is a prime.

It is a super-2 number, since 2×227002381² = 103060161959338322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227002351) 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 3 ways as a sum of consecutive naturals, for example, 17161 + ... + 27358.

It is an arithmetic number, because the mean of its divisors is an integer number (56763000).

Almost surely, 2^227002381 is an apocalyptic number.

It is an amenable number.

227002381 is a deficient number, since it is larger than the sum of its proper divisors (49619).

227002381 is an equidigital number, since it uses as much as digits as its factorization.

227002381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49618.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 227002381 is about 15066.5981893724. The cubic root of 227002381 is about 610.0191528520.

The spelling of 227002381 in words is "two hundred twenty-seven million, two thousand, three hundred eighty-one".