43452422122 has 4 divisors (see below), whose sum is σ = 65178633186. Its totient is φ = 21726211060.

The previous prime is 43452422099. The next prime is 43452422159. The reversal of 43452422122 is 22122425434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41054459161 + 2397962961 = 202619^2 + 48969^2 .

It is a super-2 number, since 2×43452422122² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10863105529 + ... + 10863105532.

Almost surely, 2^43452422122 is an apocalyptic number.

43452422122 is a deficient number, since it is larger than the sum of its proper divisors (21726211064).

43452422122 is a wasteful number, since it uses less digits than its factorization.

43452422122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21726211063.

The product of its digits is 30720, while the sum is 31.

Adding to 43452422122 its reverse (22122425434), we get a palindrome (65574847556).

The spelling of 43452422122 in words is "forty-three billion, four hundred fifty-two million, four hundred twenty-two thousand, one hundred twenty-two".