229900890 has 32 divisors (see below), whose sum is σ = 552220416. Its totient is φ = 61256000.

The previous prime is 229900883. The next prime is 229900897. The reversal of 229900890 is 98009922.

It is an interprime number because it is at equal distance from previous prime (229900883) and next prime (229900897).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229900897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46015 + ... + 50765.

It is an arithmetic number, because the mean of its divisors is an integer number (17256888).

Almost surely, 2^229900890 is an apocalyptic number.

229900890 is an abundant number, since it is smaller than the sum of its proper divisors (322319526).

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

229900890 is a wasteful number, since it uses less digits than its factorization.

229900890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 229900890 is about 15162.4829760828. The cubic root of 229900890 is about 612.6045491392.

The spelling of 229900890 in words is "two hundred twenty-nine million, nine hundred thousand, eight hundred ninety".