229197906 has 96 divisors (see below), whose sum is σ = 588152448. Its totient is φ = 63141120.

The previous prime is 229197853. The next prime is 229197907. The reversal of 229197906 is 609791922.

229197906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×229197906² = 105063360229569672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229197907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 983566 + ... + 983798.

It is an arithmetic number, because the mean of its divisors is an integer number (6126588).

Almost surely, 2^229197906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229197906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294076224).

229197906 is an abundant number, since it is smaller than the sum of its proper divisors (358954542).

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

229197906 is a wasteful number, since it uses less digits than its factorization.

229197906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 229197906 is about 15139.2835365482. The cubic root of 229197906 is about 611.9795103995.

It can be divided in two parts, 229 and 197906, that added together give a triangular number (198135 = T₆₂₉).

The spelling of 229197906 in words is "two hundred twenty-nine million, one hundred ninety-seven thousand, nine hundred six".