223532349822 has 72 divisors (see below), whose sum is σ = 500764275648. Its totient is φ = 72061548480.

The previous prime is 223532349809. The next prime is 223532349841. The reversal of 223532349822 is 228943235322.

223532349822 is a `hidden beast` number, since 2 + 2 + 3 + 532 + 3 + 4 + 98 + 22 = 666.

It is a super-2 number, since 2×223532349822² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36962803 + ... + 36968849.

It is an arithmetic number, because the mean of its divisors is an integer number (6955059384).

Almost surely, 2^223532349822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223532349822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250382137824).

223532349822 is an abundant number, since it is smaller than the sum of its proper divisors (277231925826).

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

223532349822 is a wasteful number, since it uses less digits than its factorization.

223532349822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254 (or 8220 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 223532349822 in words is "two hundred twenty-three billion, five hundred thirty-two million, three hundred forty-nine thousand, eight hundred twenty-two".