229391453 has 8 divisors (see below), whose sum is σ = 235786200. Its totient is φ = 223007040.

The previous prime is 229391447. The next prime is 229391471. The reversal of 229391453 is 354193922.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 58644964 + 170746489 = 7658^2 + 13067^2 .

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 229391453 - 2¹⁰ = 229390429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229391053) 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, 70523 + ... + 73703.

It is an arithmetic number, because the mean of its divisors is an integer number (29473275).

Almost surely, 2^229391453 is an apocalyptic number.

It is an amenable number.

229391453 is a deficient number, since it is larger than the sum of its proper divisors (6394747).

229391453 is a wasteful number, since it uses less digits than its factorization.

229391453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167.

The product of its digits is 58320, while the sum is 38.

The square root of 229391453 is about 15145.6743989827. The cubic root of 229391453 is about 612.1517247026.

The spelling of 229391453 in words is "two hundred twenty-nine million, three hundred ninety-one thousand, four hundred fifty-three".