229019740 has 24 divisors (see below), whose sum is σ = 501852960. Its totient is φ = 87624768.

The previous prime is 229019719. The next prime is 229019741. The reversal of 229019740 is 47910922.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 229019696 and 229019705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229019741) 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 7 ways as a sum of consecutive naturals, for example, 248475 + ... + 249394.

It is an arithmetic number, because the mean of its divisors is an integer number (20910540).

Almost surely, 2^229019740 is an apocalyptic number.

229019740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229019740 is an abundant number, since it is smaller than the sum of its proper divisors (272833220).

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

229019740 is a wasteful number, since it uses less digits than its factorization.

229019740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497901 (or 497899 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 229019740 is about 15133.3981643252. The cubic root of 229019740 is about 611.8208960853.

The spelling of 229019740 in words is "two hundred twenty-nine million, nineteen thousand, seven hundred forty".