227401181956 has 27 divisors (see below), whose sum is σ = 430942008063. Its totient is φ = 104948669280.

The previous prime is 227401181941. The next prime is 227401181963. The reversal of 227401181956 is 659181104722.

The square root of 227401181956 is 476866.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 128543760900 + 98857421056 = 358530^2 + 314416^2 .

It is a super-2 number, since 2×227401181956² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12389346 + ... + 12407686.

Almost surely, 2^227401181956 is an apocalyptic number.

227401181956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

227401181956 is the 476866-th square number.

It is an amenable number.

227401181956 is a deficient number, since it is larger than the sum of its proper divisors (203540826107).

227401181956 is an frugal number, since it uses more digits than its factorization.

227401181956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36712 (or 18356 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 227401181956 in words is "two hundred twenty-seven billion, four hundred one million, one hundred eighty-one thousand, nine hundred fifty-six".