223137384722 has 18 divisors (see below), whose sum is σ = 389360126997. Its totient is φ = 95628303624.

The previous prime is 223137384713. The next prime is 223137384749. The reversal of 223137384722 is 227483731322.

It can be written as a sum of positive squares in 2 ways, for example, as 211746305281 + 11391079441 = 460159^2 + 106729^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334019.

It is a super-3 number, since 3×223137384722³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4652408 + ... + 4700124.

Almost surely, 2^223137384722 is an apocalyptic number.

223137384722 is a deficient number, since it is larger than the sum of its proper divisors (166222742275).

223137384722 is an frugal number, since it uses more digits than its factorization.

223137384722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95450 (or 47726 counting only the distinct ones).

The product of its digits is 677376, while the sum is 44.

The spelling of 223137384722 in words is "two hundred twenty-three billion, one hundred thirty-seven million, three hundred eighty-four thousand, seven hundred twenty-two".