229338491380 has 24 divisors (see below), whose sum is σ = 481623465960. Its totient is φ = 91732990080.

The previous prime is 229338491363. The next prime is 229338491407. The reversal of 229338491380 is 83194833922.

It can be written as a sum of positive squares in 4 ways, for example, as 7830834064 + 221507657316 = 88492^2 + 470646^2 .

It is a super-2 number, since 2×229338491380² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767770 + ... + 1023790.

It is an arithmetic number, because the mean of its divisors is an integer number (20067644415).

Almost surely, 2^229338491380 is an apocalyptic number.

229338491380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229338491380 is an abundant number, since it is smaller than the sum of its proper divisors (252284974580).

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

229338491380 is a wasteful number, since it uses less digits than its factorization.

229338491380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300819 (or 300817 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 229338491380 in words is "two hundred twenty-nine billion, three hundred thirty-eight million, four hundred ninety-one thousand, three hundred eighty".