229970190 has 32 divisors (see below), whose sum is σ = 553347360. Its totient is φ = 61167744.

The previous prime is 229970179. The next prime is 229970231. The reversal of 229970190 is 91079922.

It is a happy number.

It is a super-2 number, since 2×229970190² = 105772576577272200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256 + ... + 21564.

It is an arithmetic number, because the mean of its divisors is an integer number (17292105).

Almost surely, 2^229970190 is an apocalyptic number.

229970190 is an abundant number, since it is smaller than the sum of its proper divisors (323377170).

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

229970190 is a wasteful number, since it uses less digits than its factorization.

229970190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19716.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 229970190 is about 15164.7680496604. The cubic root of 229970190 is about 612.6660962843. Note that the first 3 decimals are identical.

The spelling of 229970190 in words is "two hundred twenty-nine million, nine hundred seventy thousand, one hundred ninety".