229321142 has 12 divisors (see below), whose sum is σ = 350602980. Its totient is φ = 112494408.

The previous prime is 229321139. The next prime is 229321171. The reversal of 229321142 is 241123922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14792 + ... + 26027.

It is an arithmetic number, because the mean of its divisors is an integer number (29216915).

Almost surely, 2^229321142 is an apocalyptic number.

229321142 is a deficient number, since it is larger than the sum of its proper divisors (121281838).

229321142 is an equidigital number, since it uses as much as digits as its factorization.

229321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40927 (or 40874 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 229321142 is about 15143.3530633080. The cubic root of 229321142 is about 612.0891745689.

The spelling of 229321142 in words is "two hundred twenty-nine million, three hundred twenty-one thousand, one hundred forty-two".