229732501 has 4 divisors (see below), whose sum is σ = 229772332. Its totient is φ = 229692672.

The previous prime is 229732493. The next prime is 229732507. The reversal of 229732501 is 105237922.

229732501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110355025 + 119377476 = 10505^2 + 10926^2 .

It is a cyclic number.

It is not a de Polignac number, because 229732501 - 2³ = 229732493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229732507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9420 + ... + 23413.

It is an arithmetic number, because the mean of its divisors is an integer number (57443083).

Almost surely, 2^229732501 is an apocalyptic number.

It is an amenable number.

229732501 is a deficient number, since it is larger than the sum of its proper divisors (39831).

229732501 is an equidigital number, since it uses as much as digits as its factorization.

229732501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39830.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 229732501 is about 15156.9291414851. The cubic root of 229732501 is about 612.4549469013.

The spelling of 229732501 in words is "two hundred twenty-nine million, seven hundred thirty-two thousand, five hundred one".