229378849 has 32 divisors (see below), whose sum is σ = 286688000. Its totient is φ = 182891520.

The previous prime is 229378829. The next prime is 229378861. The reversal of 229378849 is 948873922.

It is not a de Polignac number, because 229378849 - 2²¹ = 227281697 is a prime.

It is a super-2 number, since 2×229378849² = 105229312737129602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229378796 and 229378805.

It is not an unprimeable number, because it can be changed into a prime (229378819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397249 + ... + 397825.

It is an arithmetic number, because the mean of its divisors is an integer number (8959000).

Almost surely, 2^229378849 is an apocalyptic number.

It is an amenable number.

229378849 is a deficient number, since it is larger than the sum of its proper divisors (57309151).

229378849 is an equidigital number, since it uses as much as digits as its factorization.

229378849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 664 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 229378849 is about 15145.2583008676. The cubic root of 229378849 is about 612.1405128614.

The spelling of 229378849 in words is "two hundred twenty-nine million, three hundred seventy-eight thousand, eight hundred forty-nine".