227320947 has 36 divisors (see below), whose sum is σ = 383097000. Its totient is φ = 129511872.

The previous prime is 227320931. The next prime is 227320963. The reversal of 227320947 is 749023722.

227320947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (227320931) and next prime (227320963).

It is not a de Polignac number, because 227320947 - 2⁴ = 227320931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227320147) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 219543 + ... + 220575.

Almost surely, 2^227320947 is an apocalyptic number.

227320947 is a deficient number, since it is larger than the sum of its proper divisors (155776053).

227320947 is a wasteful number, since it uses less digits than its factorization.

227320947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 227320947 is about 15077.1664114979. The cubic root of 227320947 is about 610.3043782401.

It can be divided in two parts, 2273 and 20947, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 227320947 in words is "two hundred twenty-seven million, three hundred twenty thousand, nine hundred forty-seven".