228809954190 has 64 divisors (see below), whose sum is σ = 595628147520. Its totient is φ = 56026152960.

The previous prime is 228809954141. The next prime is 228809954213. The reversal of 228809954190 is 91459908822.

It is a super-2 number, since 2×228809954190² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228809954190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5450395 + ... + 5492214.

It is an arithmetic number, because the mean of its divisors is an integer number (9306689805).

Almost surely, 2^228809954190 is an apocalyptic number.

228809954190 is an abundant number, since it is smaller than the sum of its proper divisors (366818193330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228809954190 is a wasteful number, since it uses less digits than its factorization.

228809954190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10942677.

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 228809954190 in words is "two hundred twenty-eight billion, eight hundred nine million, nine hundred fifty-four thousand, one hundred ninety".