22043153434432 has 112 divisors (see below), whose sum is σ = 47262421624320. Its totient is φ = 10140171743232.

The previous prime is 22043153434429. The next prime is 22043153434441. The reversal of 22043153434432 is 23443435134022.

It is a super-2 number, since 2×22043153434432² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 327760233 + ... + 327827479.

It is an arithmetic number, because the mean of its divisors is an integer number (421985907360).

Almost surely, 2^{22043153434432} 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 22043153434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23631210812160).

22043153434432 is an abundant number, since it is smaller than the sum of its proper divisors (25219268189888).

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

22043153434432 is a wasteful number, since it uses less digits than its factorization.

22043153434432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68568 (or 68558 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 22043153434432 its reverse (23443435134022), we get a palindrome (45486588568454).

The spelling of 22043153434432 in words is "twenty-two trillion, forty-three billion, one hundred fifty-three million, four hundred thirty-four thousand, four hundred thirty-two".