229900290 has 16 divisors (see below), whose sum is σ = 551760768. Its totient is φ = 61306736.

The previous prime is 229900283. The next prime is 229900291. The reversal of 229900290 is 92009922.

It is not an unprimeable number, because it can be changed into a prime (229900291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831642 + ... + 3831701.

It is an arithmetic number, because the mean of its divisors is an integer number (34485048).

Almost surely, 2^229900290 is an apocalyptic number.

229900290 is an abundant number, since it is smaller than the sum of its proper divisors (321860478).

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

229900290 is a wasteful number, since it uses less digits than its factorization.

229900290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663353.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 229900290 is about 15162.4631903923. The cubic root of 229900290 is about 612.6040162095.

The spelling of 229900290 in words is "two hundred twenty-nine million, nine hundred thousand, two hundred ninety".