229837199220 has 96 divisors (see below), whose sum is σ = 717707692800. Its totient is φ = 61062037632.

The previous prime is 229837199219. The next prime is 229837199239. The reversal of 229837199220 is 22991738922.

229837199220 is a `hidden beast` number, since 229 + 8 + 3 + 7 + 199 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645864 + ... + 936383.

It is an arithmetic number, because the mean of its divisors is an integer number (7476121800).

Almost surely, 2^229837199220 is an apocalyptic number.

229837199220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229837199220 is an abundant number, since it is smaller than the sum of its proper divisors (487870493580).

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

229837199220 is a wasteful number, since it uses less digits than its factorization.

229837199220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582534 (or 1582526 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 229837199220 in words is "two hundred twenty-nine billion, eight hundred thirty-seven million, one hundred ninety-nine thousand, two hundred twenty".