229970970 has 24 divisors (see below), whose sum is σ = 597924756. Its totient is φ = 61325568.

The previous prime is 229970959. The next prime is 229970971. The reversal of 229970970 is 79079922.

It can be written as a sum of positive squares in 2 ways, for example, as 220255281 + 9715689 = 14841^2 + 3117^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229970971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1277527 + ... + 1277706.

Almost surely, 2^229970970 is an apocalyptic number.

229970970 is an abundant number, since it is smaller than the sum of its proper divisors (367953786).

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

229970970 is a wasteful number, since it uses less digits than its factorization.

229970970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555246 (or 2555243 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 229970970 is about 15164.7937671437. The cubic root of 229970970 is about 612.6667889524. Note that the first 3 decimals are identical.

The spelling of 229970970 in words is "two hundred twenty-nine million, nine hundred seventy thousand, nine hundred seventy".