229666453 has 4 divisors (see below), whose sum is σ = 229796620. Its totient is φ = 229536288.

The previous prime is 229666441. The next prime is 229666499. The reversal of 229666453 is 354666922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186540964 + 43125489 = 13658^2 + 6567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229666453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229666153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62400 + ... + 65977.

It is an arithmetic number, because the mean of its divisors is an integer number (57449155).

Almost surely, 2^229666453 is an apocalyptic number.

It is an amenable number.

229666453 is a deficient number, since it is larger than the sum of its proper divisors (130167).

229666453 is a wasteful number, since it uses less digits than its factorization.

229666453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130166.

The product of its digits is 466560, while the sum is 43.

The square root of 229666453 is about 15154.7501793992. The cubic root of 229666453 is about 612.3962477601.

The spelling of 229666453 in words is "two hundred twenty-nine million, six hundred sixty-six thousand, four hundred fifty-three".