228367499 has 4 divisors (see below), whose sum is σ = 233937480. Its totient is φ = 222797520.

The previous prime is 228367493. The next prime is 228367541. The reversal of 228367499 is 994763822.

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 228367499 - 2¹⁶ = 228301963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228367493) 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, 2784929 + ... + 2785010.

It is an arithmetic number, because the mean of its divisors is an integer number (58484370).

Almost surely, 2^228367499 is an apocalyptic number.

228367499 is a deficient number, since it is larger than the sum of its proper divisors (5569981).

228367499 is an equidigital number, since it uses as much as digits as its factorization.

228367499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569980.

The product of its digits is 1306368, while the sum is 50.

The square root of 228367499 is about 15111.8330787499. The cubic root of 228367499 is about 611.2395282881.

The spelling of 228367499 in words is "two hundred twenty-eight million, three hundred sixty-seven thousand, four hundred ninety-nine".