43122442 has 8 divisors (see below), whose sum is σ = 70564032. Its totient is φ = 19601100.

The previous prime is 43122439. The next prime is 43122463. The reversal of 43122442 is 24422134.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1960111 = 43122442 / (4 + 3 + 1 + 2 + 2 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980034 + ... + 980077.

It is an arithmetic number, because the mean of its divisors is an integer number (8820504).

Almost surely, 2^43122442 is an apocalyptic number.

43122442 is a deficient number, since it is larger than the sum of its proper divisors (27441590).

43122442 is a wasteful number, since it uses less digits than its factorization.

43122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960124.

The product of its digits is 1536, while the sum is 22.

The square root of 43122442 is about 6566.7680026022. The cubic root of 43122442 is about 350.6720204204.

Adding to 43122442 its reverse (24422134), we get a palindrome (67544576).

The spelling of 43122442 in words is "forty-three million, one hundred twenty-two thousand, four hundred forty-two".