229187154 has 64 divisors (see below), whose sum is σ = 546324480. Its totient is φ = 62717760.

The previous prime is 229187141. The next prime is 229187159. The reversal of 229187154 is 451781922.

229187154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (229187159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133252 + ... + 134960.

It is an arithmetic number, because the mean of its divisors is an integer number (8536320).

Almost surely, 2^229187154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229187154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273162240).

229187154 is an abundant number, since it is smaller than the sum of its proper divisors (317137326).

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

229187154 is a wasteful number, since it uses less digits than its factorization.

229187154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its digits is 40320, while the sum is 39.

The square root of 229187154 is about 15138.9284297139. The cubic root of 229187154 is about 611.9699406399.

The spelling of 229187154 in words is "two hundred twenty-nine million, one hundred eighty-seven thousand, one hundred fifty-four".