229090121 has 8 divisors (see below), whose sum is σ = 247626624. Its totient is φ = 210684240.

The previous prime is 229090117. The next prime is 229090123. The reversal of 229090121 is 121090922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229090121 - 2² = 229090117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229090123) 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, 28991 + ... + 36036.

It is an arithmetic number, because the mean of its divisors is an integer number (30953328).

Almost surely, 2^229090121 is an apocalyptic number.

It is an amenable number.

229090121 is a deficient number, since it is larger than the sum of its proper divisors (18536503).

229090121 is a wasteful number, since it uses less digits than its factorization.

229090121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65311.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 229090121 is about 15135.7233391735. The cubic root of 229090121 is about 611.8835633998.

It can be divided in two parts, 2290901 and 21, that added together give a palindrome (2290922).

The spelling of 229090121 in words is "two hundred twenty-nine million, ninety thousand, one hundred twenty-one".