43120422 has 24 divisors (see below), whose sum is σ = 93567864. Its totient is φ = 14351904.

The previous prime is 43120417. The next prime is 43120439. The reversal of 43120422 is 22402134.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 43120395 and 43120404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14538 + ... + 17250.

It is an arithmetic number, because the mean of its divisors is an integer number (3898661).

Almost surely, 2^43120422 is an apocalyptic number.

43120422 is an abundant number, since it is smaller than the sum of its proper divisors (50447442).

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

43120422 is a wasteful number, since it uses less digits than its factorization.

43120422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3601 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 43120422 is about 6566.6141960679. The cubic root of 43120422 is about 350.6665447832. Note that the first 3 decimals are identical.

Adding to 43120422 its reverse (22402134), we get a palindrome (65522556).

The spelling of 43120422 in words is "forty-three million, one hundred twenty thousand, four hundred twenty-two".