229323422391 has 32 divisors (see below), whose sum is σ = 357031231488. Its totient is φ = 128199560160.

The previous prime is 229323422389. The next prime is 229323422413. The reversal of 229323422391 is 193224323922.

It is a happy number.

It is not a de Polignac number, because 229323422391 - 2¹ = 229323422389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229323422291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2343556 + ... + 2439446.

It is an arithmetic number, because the mean of its divisors is an integer number (11157225984).

Almost surely, 2^229323422391 is an apocalyptic number.

229323422391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

229323422391 is a deficient number, since it is larger than the sum of its proper divisors (127707809097).

229323422391 is a wasteful number, since it uses less digits than its factorization.

229323422391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98371.

The product of its digits is 279936, while the sum is 42.

The spelling of 229323422391 in words is "two hundred twenty-nine billion, three hundred twenty-three million, four hundred twenty-two thousand, three hundred ninety-one".