229428669 has 8 divisors (see below), whose sum is σ = 306950112. Its totient is φ = 152429840.

The previous prime is 229428659. The next prime is 229428677. The reversal of 229428669 is 966824922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229428669 - 2⁵ = 229428637 is a prime.

It is a super-2 number, since 2×229428669² = 105275028318223122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229428649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129627 + ... + 131384.

It is an arithmetic number, because the mean of its divisors is an integer number (38368764).

Almost surely, 2^229428669 is an apocalyptic number.

It is an amenable number.

229428669 is a deficient number, since it is larger than the sum of its proper divisors (77521443).

229428669 is a wasteful number, since it uses less digits than its factorization.

229428669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261307.

The product of its digits is 746496, while the sum is 48.

The square root of 229428669 is about 15146.9029507685. The cubic root of 229428669 is about 612.1848276603.

The spelling of 229428669 in words is "two hundred twenty-nine million, four hundred twenty-eight thousand, six hundred sixty-nine".