229897551 has 16 divisors (see below), whose sum is σ = 331408224. Its totient is φ = 140918784.

The previous prime is 229897543. The next prime is 229897567. The reversal of 229897551 is 155798922.

It is not a de Polignac number, because 229897551 - 2³ = 229897543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229897551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229897501) 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 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 21491.

It is an arithmetic number, because the mean of its divisors is an integer number (20713014).

Almost surely, 2^229897551 is an apocalyptic number.

229897551 is a deficient number, since it is larger than the sum of its proper divisors (101510673).

229897551 is a wasteful number, since it uses less digits than its factorization.

229897551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23210.

The product of its digits is 453600, while the sum is 48.

The square root of 229897551 is about 15162.3728683871. The cubic root of 229897551 is about 612.6015833736.

The spelling of 229897551 in words is "two hundred twenty-nine million, eight hundred ninety-seven thousand, five hundred fifty-one".