228140578 has 16 divisors (see below), whose sum is σ = 364190904. Its totient is φ = 106812160.

The previous prime is 228140573. The next prime is 228140579. The reversal of 228140578 is 875041822.

It can be written as a sum of positive squares in 4 ways, for example, as 206583129 + 21557449 = 14373^2 + 4643^2 .

It is not an unprimeable number, because it can be changed into a prime (228140573) 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, 10333 + ... + 23728.

Almost surely, 2^228140578 is an apocalyptic number.

228140578 is a deficient number, since it is larger than the sum of its proper divisors (136050326).

228140578 is a wasteful number, since it uses less digits than its factorization.

228140578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34277.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 228140578 is about 15104.3231559709. The cubic root of 228140578 is about 611.0370052313.

The spelling of 228140578 in words is "two hundred twenty-eight million, one hundred forty thousand, five hundred seventy-eight".