228140699 has 4 divisors (see below), whose sum is σ = 229028664. Its totient is φ = 227252736.

The previous prime is 228140683. The next prime is 228140701. The reversal of 228140699 is 996041822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228140699 - 2⁴ = 228140683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228140639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443597 + ... + 444110.

It is an arithmetic number, because the mean of its divisors is an integer number (57257166).

Almost surely, 2^228140699 is an apocalyptic number.

228140699 is a deficient number, since it is larger than the sum of its proper divisors (887965).

228140699 is an equidigital number, since it uses as much as digits as its factorization.

228140699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887964.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 228140699 is about 15104.3271614462. The cubic root of 228140699 is about 611.0371132575.

The spelling of 228140699 in words is "two hundred twenty-eight million, one hundred forty thousand, six hundred ninety-nine".