229956401998 has 4 divisors (see below), whose sum is σ = 344934603000. Its totient is φ = 114978200998.

The previous prime is 229956401989. The next prime is 229956402001. The reversal of 229956401998 is 899104659922.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57489100498 + ... + 57489100501.

It is an arithmetic number, because the mean of its divisors is an integer number (86233650750).

Almost surely, 2^229956401998 is an apocalyptic number.

229956401998 is a deficient number, since it is larger than the sum of its proper divisors (114978201002).

229956401998 is a wasteful number, since it uses less digits than its factorization.

229956401998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114978201001.

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 229956401998 in words is "two hundred twenty-nine billion, nine hundred fifty-six million, four hundred one thousand, nine hundred ninety-eight".