229402151999 has 4 divisors (see below), whose sum is σ = 234997326480. Its totient is φ = 223806977520.

The previous prime is 229402151971. The next prime is 229402152019. The reversal of 229402151999 is 999151204922.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229402151999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229402151999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229402151959) 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, 2797587179 + ... + 2797587260.

It is an arithmetic number, because the mean of its divisors is an integer number (58749331620).

Almost surely, 2^229402151999 is an apocalyptic number.

229402151999 is a deficient number, since it is larger than the sum of its proper divisors (5595174481).

229402151999 is an equidigital number, since it uses as much as digits as its factorization.

229402151999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595174480.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 229402151999 in words is "two hundred twenty-nine billion, four hundred two million, one hundred fifty-one thousand, nine hundred ninety-nine".