229429378 has 16 divisors (see below), whose sum is σ = 356956344. Its totient is φ = 110505600.

The previous prime is 229429367. The next prime is 229429429. The reversal of 229429378 is 873924922.

It can be written as a sum of positive squares in 4 ways, for example, as 226412209 + 3017169 = 15047^2 + 1737^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7875 + ... + 22822.

Almost surely, 2^229429378 is an apocalyptic number.

229429378 is a deficient number, since it is larger than the sum of its proper divisors (127526966).

229429378 is a wasteful number, since it uses less digits than its factorization.

229429378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30837.

The product of its digits is 435456, while the sum is 46.

The square root of 229429378 is about 15146.9263548748. The cubic root of 229429378 is about 612.1854582682.

The spelling of 229429378 in words is "two hundred twenty-nine million, four hundred twenty-nine thousand, three hundred seventy-eight".