229200381 has 16 divisors (see below), whose sum is σ = 340084800. Its totient is φ = 152562384.

The previous prime is 229200379. The next prime is 229200383. The reversal of 229200381 is 183002922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (229200379) and next prime (229200383).

It is not a de Polignac number, because 229200381 - 2¹ = 229200379 is a prime.

It is a super-2 number, since 2×229200381² = 105065629301090322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229200383) by changing a digit.

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, 12010 + ... + 24548.

It is an arithmetic number, because the mean of its divisors is an integer number (21255300).

Almost surely, 2^229200381 is an apocalyptic number.

It is an amenable number.

229200381 is a deficient number, since it is larger than the sum of its proper divisors (110884419).

229200381 is a wasteful number, since it uses less digits than its factorization.

229200381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225 (or 13219 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 229200381 is about 15139.3652773160. The cubic root of 229200381 is about 611.9817132175.

The spelling of 229200381 in words is "two hundred twenty-nine million, two hundred thousand, three hundred eighty-one".