229556651 has 6 divisors (see below), whose sum is σ = 242274852. Its totient is φ = 217474380.

The previous prime is 229556647. The next prime is 229556659. The reversal of 229556651 is 156655922.

It is not a de Polignac number, because 229556651 - 2² = 229556647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229556599 and 229556608.

It is not an unprimeable number, because it can be changed into a prime (229556659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317585 + ... + 318306.

It is an arithmetic number, because the mean of its divisors is an integer number (40379142).

Almost surely, 2^229556651 is an apocalyptic number.

229556651 is a deficient number, since it is larger than the sum of its proper divisors (12718201).

229556651 is an equidigital number, since it uses as much as digits as its factorization.

229556651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635929 (or 635910 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 229556651 is about 15151.1270537871. The cubic root of 229556651 is about 612.2986380152.

The spelling of 229556651 in words is "two hundred twenty-nine million, five hundred fifty-six thousand, six hundred fifty-one".