229299397890 has 32 divisors (see below), whose sum is σ = 554651781120. Its totient is φ = 60665036544.

The previous prime is 229299397837. The next prime is 229299397913. The reversal of 229299397890 is 98793992922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30087975 + ... + 30095594.

It is an arithmetic number, because the mean of its divisors is an integer number (17332868160).

Almost surely, 2^229299397890 is an apocalyptic number.

229299397890 is an abundant number, since it is smaller than the sum of its proper divisors (325352383230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229299397890 is a wasteful number, since it uses less digits than its factorization.

229299397890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60183706.

The product of its (nonzero) digits is 79361856, while the sum is 69.

The spelling of 229299397890 in words is "two hundred twenty-nine billion, two hundred ninety-nine million, three hundred ninety-seven thousand, eight hundred ninety".