227483981 has 8 divisors (see below), whose sum is σ = 230032440. Its totient is φ = 224944128.

The previous prime is 227483957. The next prime is 227484001. The reversal of 227483981 is 189384722.

227483981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49928356 + 177555625 = 7066^2 + 13325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227483981 is a prime.

It is a super-2 number, since 2×227483981² = 103497923223216722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227483951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61085 + ... + 64701.

It is an arithmetic number, because the mean of its divisors is an integer number (28754055).

Almost surely, 2^227483981 is an apocalyptic number.

It is an amenable number.

227483981 is a deficient number, since it is larger than the sum of its proper divisors (2548459).

227483981 is a wasteful number, since it uses less digits than its factorization.

227483981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303.

The product of its digits is 193536, while the sum is 44.

The square root of 227483981 is about 15082.5720949711. The cubic root of 227483981 is about 610.4502462850.

The spelling of 227483981 in words is "two hundred twenty-seven million, four hundred eighty-three thousand, nine hundred eighty-one".