229123390 has 16 divisors (see below), whose sum is σ = 418232160. Its totient is φ = 90358240.

The previous prime is 229123369. The next prime is 229123417. The reversal of 229123390 is 93321922.

It is a happy number.

229123390 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160645 + ... + 162064.

It is an arithmetic number, because the mean of its divisors is an integer number (26139510).

Almost surely, 2^229123390 is an apocalyptic number.

229123390 is a deficient number, since it is larger than the sum of its proper divisors (189108770).

229123390 is a wasteful number, since it uses less digits than its factorization.

229123390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322787.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 229123390 is about 15136.8223217424. The cubic root of 229123390 is about 611.9131816840.

The spelling of 229123390 in words is "two hundred twenty-nine million, one hundred twenty-three thousand, three hundred ninety".