229621530 has 16 divisors (see below), whose sum is σ = 551091744. Its totient is φ = 61232400.

The previous prime is 229621481. The next prime is 229621541. The reversal of 229621530 is 35126922.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7654051 = 229621530 / (2 + 2 + 9 + 6 + 2 + 1 + 5 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826996 + ... + 3827055.

It is an arithmetic number, because the mean of its divisors is an integer number (34443234).

Almost surely, 2^229621530 is an apocalyptic number.

229621530 is an abundant number, since it is smaller than the sum of its proper divisors (321470214).

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

229621530 is a wasteful number, since it uses less digits than its factorization.

229621530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654061.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 229621530 is about 15153.2679643699. The cubic root of 229621530 is about 612.3563167062.

The spelling of 229621530 in words is "two hundred twenty-nine million, six hundred twenty-one thousand, five hundred thirty".