229629297 has 4 divisors (see below), whose sum is σ = 306172400. Its totient is φ = 153086196.

The previous prime is 229629287. The next prime is 229629329. The reversal of 229629297 is 792926922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 229629297 - 2¹⁴ = 229612913 is a prime.

It is a super-2 number, since 2×229629297² = 105459228081428418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229629227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38271547 + ... + 38271552.

It is an arithmetic number, because the mean of its divisors is an integer number (76543100).

Almost surely, 2^229629297 is an apocalyptic number.

It is an amenable number.

229629297 is a deficient number, since it is larger than the sum of its proper divisors (76543103).

229629297 is an equidigital number, since it uses as much as digits as its factorization.

229629297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76543102.

The product of its digits is 489888, while the sum is 48.

The square root of 229629297 is about 15153.5242435547. The cubic root of 229629297 is about 612.3632209919.

The spelling of 229629297 in words is "two hundred twenty-nine million, six hundred twenty-nine thousand, two hundred ninety-seven".