22353132452 has 48 divisors (see below), whose sum is σ = 46696564992. Its totient is φ = 9154252800.

The previous prime is 22353132419. The next prime is 22353132491. The reversal of 22353132452 is 25423135322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648452 + ... + 682052.

It is an arithmetic number, because the mean of its divisors is an integer number (972845104).

Almost surely, 2^22353132452 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 22353132452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23348282496).

22353132452 is an abundant number, since it is smaller than the sum of its proper divisors (24343432540).

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

22353132452 is a wasteful number, since it uses less digits than its factorization.

22353132452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34668 (or 34666 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

Adding to 22353132452 its reverse (25423135322), we get a palindrome (47776267774).

The spelling of 22353132452 in words is "twenty-two billion, three hundred fifty-three million, one hundred thirty-two thousand, four hundred fifty-two".