228199099572 has 144 divisors (see below), whose sum is σ = 613188576000. Its totient is φ = 71431895808.

The previous prime is 228199099567. The next prime is 228199099607. The reversal of 228199099572 is 275990991822.

It is a super-3 number, since 3×228199099572³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10718554 + ... + 10739822.

It is an arithmetic number, because the mean of its divisors is an integer number (4258254000).

Almost surely, 2^228199099572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228199099572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306594288000).

228199099572 is an abundant number, since it is smaller than the sum of its proper divisors (384989476428).

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

228199099572 is a wasteful number, since it uses less digits than its factorization.

228199099572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21590 (or 21585 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 228199099572 in words is "two hundred twenty-eight billion, one hundred ninety-nine million, ninety-nine thousand, five hundred seventy-two".