229142444 has 6 divisors (see below), whose sum is σ = 400999284. Its totient is φ = 114571220.

The previous prime is 229142429. The next prime is 229142461. The reversal of 229142444 is 444241922.

It is a self number, because there is not a number n which added to its sum of digits gives 229142444.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28642802 + ... + 28642809.

It is an arithmetic number, because the mean of its divisors is an integer number (66833214).

Almost surely, 2^229142444 is an apocalyptic number.

It is an amenable number.

229142444 is a deficient number, since it is larger than the sum of its proper divisors (171856840).

229142444 is a wasteful number, since it uses less digits than its factorization.

229142444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57285615 (or 57285613 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 229142444 is about 15137.4517009964. The cubic root of 229142444 is about 611.9301435352.

The spelling of 229142444 in words is "two hundred twenty-nine million, one hundred forty-two thousand, four hundred forty-four".