22223434752 has 528 divisors, whose sum is σ = 71339620352. Its totient is φ = 6897623040.

The previous prime is 22223434697. The next prime is 22223434769. The reversal of 22223434752 is 25743432222.

22223434752 is a `hidden beast` number, since 2 + 222 + 343 + 47 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 331693023 + ... + 331693089.

Almost surely, 2^22223434752 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 22223434752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35669810176).

22223434752 is an abundant number, since it is smaller than the sum of its proper divisors (49116185600).

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

22223434752 is an equidigital number, since it uses as much as digits as its factorization.

22223434752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 146 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

Adding to 22223434752 its reverse (25743432222), we get a palindrome (47966866974).

The spelling of 22223434752 in words is "twenty-two billion, two hundred twenty-three million, four hundred thirty-four thousand, seven hundred fifty-two".