228164719 has 6 divisors (see below), whose sum is σ = 231095760. Its totient is φ = 225270396.

The previous prime is 228164707. The next prime is 228164723. The reversal of 228164719 is 917461822.

It is not a de Polignac number, because 228164719 - 2⁵ = 228164687 is a prime.

It is a super-2 number, since 2×228164719² = 104118277992697922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228164789) 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, 12039 + ... + 24520.

It is an arithmetic number, because the mean of its divisors is an integer number (38515960).

Almost surely, 2^228164719 is an apocalyptic number.

228164719 is a deficient number, since it is larger than the sum of its proper divisors (2931041).

228164719 is an frugal number, since it uses more digits than its factorization.

228164719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36717 (or 36638 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 228164719 is about 15105.1222768967. The cubic root of 228164719 is about 611.0585570368.

The spelling of 228164719 in words is "two hundred twenty-eight million, one hundred sixty-four thousand, seven hundred nineteen".