229669657 has 16 divisors (see below), whose sum is σ = 266009472. Its totient is φ = 194227200.

The previous prime is 229669639. The next prime is 229669673. The reversal of 229669657 is 756966922.

It is a cyclic number.

It is not a de Polignac number, because 229669657 - 2¹⁵ = 229636889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229669157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397753 + ... + 398329.

It is an arithmetic number, because the mean of its divisors is an integer number (16625592).

Almost surely, 2^229669657 is an apocalyptic number.

It is an amenable number.

229669657 is a deficient number, since it is larger than the sum of its proper divisors (36339815).

229669657 is a wasteful number, since it uses less digits than its factorization.

229669657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its digits is 2449440, while the sum is 52.

The square root of 229669657 is about 15154.8558884603. The cubic root of 229669657 is about 612.3990955254.

It can be divided in two parts, 22966 and 9657, that added together give a palindrome (32623).

The spelling of 229669657 in words is "two hundred twenty-nine million, six hundred sixty-nine thousand, six hundred fifty-seven".