229929899190 has 32 divisors (see below), whose sum is σ = 551910330720. Its totient is φ = 61305909504.

The previous prime is 229929899183. The next prime is 229929899203. The reversal of 229929899190 is 91998929922.

It is a happy number.

It is a super-2 number, since 2×229929899190² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330039 + ... + 754178.

It is an arithmetic number, because the mean of its divisors is an integer number (17247197835).

Almost surely, 2^229929899190 is an apocalyptic number.

229929899190 is an abundant number, since it is smaller than the sum of its proper divisors (321980431530).

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

229929899190 is a wasteful number, since it uses less digits than its factorization.

229929899190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091296.

The product of its (nonzero) digits is 34012224, while the sum is 69.

The spelling of 229929899190 in words is "two hundred twenty-nine billion, nine hundred twenty-nine million, eight hundred ninety-nine thousand, one hundred ninety".