227645156 has 18 divisors (see below), whose sum is σ = 420452550. Its totient is φ = 107831232.

The previous prime is 227645153. The next prime is 227645189. The reversal of 227645156 is 651546722.

227645156 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 only one way, i.e., 169885156 + 57760000 = 13034^2 + 7600^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (227645153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77381 + ... + 80268.

It is an arithmetic number, because the mean of its divisors is an integer number (23358475).

Almost surely, 2^227645156 is an apocalyptic number.

It is an amenable number.

227645156 is a deficient number, since it is larger than the sum of its proper divisors (192807394).

227645156 is a wasteful number, since it uses less digits than its factorization.

227645156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157691 (or 157670 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 227645156 is about 15087.9142362356. The cubic root of 227645156 is about 610.5943825747.

The spelling of 227645156 in words is "two hundred twenty-seven million, six hundred forty-five thousand, one hundred fifty-six".