227971972 has 24 divisors (see below), whose sum is σ = 432726840. Its totient is φ = 104663040.

The previous prime is 227971969. The next prime is 227971979. The reversal of 227971972 is 279179722.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 227225476 = 864^2 + 15074^2 .

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

It is not an unprimeable number, because it can be changed into a prime (227971979) 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 7 ways as a sum of consecutive naturals, for example, 38097 + ... + 43672.

It is an arithmetic number, because the mean of its divisors is an integer number (18030285).

Almost surely, 2^227971972 is an apocalyptic number.

It is an amenable number.

227971972 is a deficient number, since it is larger than the sum of its proper divisors (204754868).

227971972 is a wasteful number, since it uses less digits than its factorization.

227971972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81831 (or 81829 counting only the distinct ones).

The product of its digits is 222264, while the sum is 46.

The square root of 227971972 is about 15098.7407421944. The cubic root of 227971972 is about 610.8864403230.

The spelling of 227971972 in words is "two hundred twenty-seven million, nine hundred seventy-one thousand, nine hundred seventy-two".