223101686772 has 120 divisors (see below), whose sum is σ = 586380613896. Its totient is φ = 73966804992.

The previous prime is 223101686767. The next prime is 223101686791. The reversal of 223101686772 is 277686101322.

It can be written as a sum of positive squares in 4 ways, for example, as 113384399076 + 109717287696 = 336726^2 + 331236^2 .

It is a super-3 number, since 3×223101686772³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54773728 + ... + 54777800.

Almost surely, 2^223101686772 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 223101686772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293190306948).

223101686772 is an abundant number, since it is smaller than the sum of its proper divisors (363278927124).

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

223101686772 is a wasteful number, since it uses less digits than its factorization.

223101686772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959 (or 4948 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 223101686772 in words is "two hundred twenty-three billion, one hundred one million, six hundred eighty-six thousand, seven hundred seventy-two".