229212464 has 40 divisors (see below), whose sum is σ = 481375440. Its totient is φ = 105101568.

The previous prime is 229212461. The next prime is 229212493. The reversal of 229212464 is 464212922.

It is a self number, because there is not a number n which added to its sum of digits gives 229212464.

It is not an unprimeable number, because it can be changed into a prime (229212461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29147 + ... + 36165.

It is an arithmetic number, because the mean of its divisors is an integer number (12034386).

Almost surely, 2^229212464 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 229212464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240687720).

229212464 is an abundant number, since it is smaller than the sum of its proper divisors (252162976).

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

229212464 is a wasteful number, since it uses less digits than its factorization.

229212464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197 (or 7191 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 229212464 is about 15139.7643310588. The cubic root of 229212464 is about 611.9924671919.

The spelling of 229212464 in words is "two hundred twenty-nine million, two hundred twelve thousand, four hundred sixty-four".