229606651 has 2 divisors, whose sum is σ = 229606652. Its totient is φ = 229606650.

The previous prime is 229606649. The next prime is 229606661. The reversal of 229606651 is 156606922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229606651 - 2¹ = 229606649 is a prime.

It is a super-3 number, since 3×229606651³ (a number of 26 digits) contains 333 as substring.

Together with 229606649, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 229606651.

It is not a weakly prime, because it can be changed into another prime (229606661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114803325 + 114803326.

It is an arithmetic number, because the mean of its divisors is an integer number (114803326).

Almost surely, 2^229606651 is an apocalyptic number.

229606651 is the 8100-th centered heptagonal number.

229606651 is a deficient number, since it is larger than the sum of its proper divisors (1).

229606651 is an equidigital number, since it uses as much as digits as its factorization.

229606651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 229606651 is about 15152.7770062124. Note that the first 3 decimals coincide. The cubic root of 229606651 is about 612.3430899465.

The spelling of 229606651 in words is "two hundred twenty-nine million, six hundred six thousand, six hundred fifty-one".