22040423133432 has 128 divisors (see below), whose sum is σ = 62210418336000. Its totient is φ = 6445766512640.

The previous prime is 22040423133373. The next prime is 22040423133451. The reversal of 22040423133432 is 23433132404022.

It is a super-2 number, since 2×22040423133432² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 22040423133393 and 22040423133402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16768819 + ... + 18035357.

It is an arithmetic number, because the mean of its divisors is an integer number (486018893250).

Almost surely, 2^{22040423133432} is an apocalyptic number.

22040423133432 is a gapful number since it is divisible by the number (22) 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 22040423133432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31105209168000).

22040423133432 is an abundant number, since it is smaller than the sum of its proper divisors (40169995202568).

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

22040423133432 is a wasteful number, since it uses less digits than its factorization.

22040423133432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268861 (or 1268857 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 22040423133432 its reverse (23433132404022), we get a palindrome (45473555537454).

The spelling of 22040423133432 in words is "twenty-two trillion, forty billion, four hundred twenty-three million, one hundred thirty-three thousand, four hundred thirty-two".