229078590 has 32 divisors (see below), whose sum is σ = 592081056. Its totient is φ = 56388480.

The previous prime is 229078583. The next prime is 229078601. The reversal of 229078590 is 95870922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293301 + ... + 294080.

It is an arithmetic number, because the mean of its divisors is an integer number (18502533).

Almost surely, 2^229078590 is an apocalyptic number.

229078590 is an abundant number, since it is smaller than the sum of its proper divisors (363002466).

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

229078590 is a wasteful number, since it uses less digits than its factorization.

229078590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587404.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 229078590 is about 15135.3424143625. The cubic root of 229078590 is about 611.8732970648.

The spelling of 229078590 in words is "two hundred twenty-nine million, seventy-eight thousand, five hundred ninety".