22423013352 has 128 divisors (see below), whose sum is σ = 65059200000. Its totient is φ = 7142224320.

The previous prime is 22423013317. The next prime is 22423013357. The reversal of 22423013352 is 25331032422.

22423013352 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 301 + 3 + 352 = 666.

It is a super-3 number, since 3×22423013352³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22423013357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7445527 + ... + 7448537.

It is an arithmetic number, because the mean of its divisors is an integer number (508275000).

Almost surely, 2^22423013352 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 22423013352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32529600000).

22423013352 is an abundant number, since it is smaller than the sum of its proper divisors (42636186648).

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

22423013352 is a wasteful number, since it uses less digits than its factorization.

22423013352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 22423013352 its reverse (25331032422), we get a palindrome (47754045774).

The spelling of 22423013352 in words is "twenty-two billion, four hundred twenty-three million, thirteen thousand, three hundred fifty-two".