229451136 has 48 divisors (see below), whose sum is σ = 610269060. Its totient is φ = 76384768.

The previous prime is 229451113. The next prime is 229451141. The reversal of 229451136 is 631154922.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 229451097 and 229451106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 296446 + ... + 297218.

Almost surely, 2^229451136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229451136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305134530).

229451136 is an abundant number, since it is smaller than the sum of its proper divisors (380817924).

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

229451136 is an frugal number, since it uses more digits than its factorization.

229451136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 778 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 229451136 is about 15147.6445693712. The cubic root of 229451136 is about 612.2048099169.

The spelling of 229451136 in words is "two hundred twenty-nine million, four hundred fifty-one thousand, one hundred thirty-six".