43323221442 has 16 divisors (see below), whose sum is σ = 86756549472. Its totient is φ = 14422722720.

The previous prime is 43323221419. The next prime is 43323221471. The reversal of 43323221442 is 24412232334.

It is a super-2 number, since 2×43323221442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4582659 + ... + 4592102.

It is an arithmetic number, because the mean of its divisors is an integer number (5422284342).

Almost surely, 2^43323221442 is an apocalyptic number.

43323221442 is an abundant number, since it is smaller than the sum of its proper divisors (43433328030).

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

43323221442 is a wasteful number, since it uses less digits than its factorization.

43323221442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175553.

The product of its digits is 27648, while the sum is 30.

Adding to 43323221442 its reverse (24412232334), we get a palindrome (67735453776).

The spelling of 43323221442 in words is "forty-three billion, three hundred twenty-three million, two hundred twenty-one thousand, four hundred forty-two".