22132002423400 has 96 divisors (see below), whose sum is σ = 51745996972800. Its totient is φ = 8803170656000.

The previous prime is 22132002423343. The next prime is 22132002423403. The reversal of 22132002423400 is 432420023122.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22132002423403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33177549 + ... + 33838051.

It is an arithmetic number, because the mean of its divisors is an integer number (539020801800).

Almost surely, 2^{22132002423400} is an apocalyptic number.

22132002423400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22132002423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25872998486400).

22132002423400 is an abundant number, since it is smaller than the sum of its proper divisors (29613994549400).

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

22132002423400 is a wasteful number, since it uses less digits than its factorization.

22132002423400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661459 (or 661450 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22132002423400 its reverse (432420023122), we get a palindrome (22564422446522).

The spelling of 22132002423400 in words is "twenty-two trillion, one hundred thirty-two billion, two million, four hundred twenty-three thousand, four hundred".