229416919 has 4 divisors (see below), whose sum is σ = 230270040. Its totient is φ = 228563800.

The previous prime is 229416899. The next prime is 229416937. The reversal of 229416919 is 919614922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919614922 = 2 ⋅459807461.

It is a cyclic number.

It is not a de Polignac number, because 229416919 - 2¹⁵ = 229384151 is a prime.

It is a super-2 number, since 2×229416919² = 105264245446905122, 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 (229416959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426157 + ... + 426694.

It is an arithmetic number, because the mean of its divisors is an integer number (57567510).

Almost surely, 2^229416919 is an apocalyptic number.

229416919 is a deficient number, since it is larger than the sum of its proper divisors (853121).

229416919 is an equidigital number, since it uses as much as digits as its factorization.

229416919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853120.

The product of its digits is 69984, while the sum is 43.

The square root of 229416919 is about 15146.5150777332. The cubic root of 229416919 is about 612.1743766349.

The spelling of 229416919 in words is "two hundred twenty-nine million, four hundred sixteen thousand, nine hundred nineteen".