228761419 has 4 divisors (see below), whose sum is σ = 234081496. Its totient is φ = 223441344.

The previous prime is 228761413. The next prime is 228761437. The reversal of 228761419 is 914167822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914167822 = 2 ⋅457083911.

It is a cyclic number.

It is not a de Polignac number, because 228761419 - 2¹⁹ = 228237131 is a prime.

It is a super-2 number, since 2×228761419² = 104663573645787122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228761413) 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, 2659974 + ... + 2660059.

It is an arithmetic number, because the mean of its divisors is an integer number (58520374).

Almost surely, 2^228761419 is an apocalyptic number.

228761419 is a deficient number, since it is larger than the sum of its proper divisors (5320077).

228761419 is an equidigital number, since it uses as much as digits as its factorization.

228761419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320076.

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

The square root of 228761419 is about 15124.8609580386. The cubic root of 228761419 is about 611.5907767002.

The spelling of 228761419 in words is "two hundred twenty-eight million, seven hundred sixty-one thousand, four hundred nineteen".