42226943 has 12 divisors (see below), whose sum is σ = 46721304. Its totient is φ = 38134800.

The previous prime is 42226939. The next prime is 42226967. The reversal of 42226943 is 34962224.

It is not a de Polignac number, because 42226943 - 2² = 42226939 is a prime.

It is a super-2 number, since 2×42226943² = 3566229430250498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42226973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18653 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (3893442).

Almost surely, 2^42226943 is an apocalyptic number.

42226943 is a deficient number, since it is larger than the sum of its proper divisors (4494361).

42226943 is a wasteful number, since it uses less digits than its factorization.

42226943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2315 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 42226943 is about 6498.2261425715. The cubic root of 42226943 is about 348.2276195058.

The spelling of 42226943 in words is "forty-two million, two hundred twenty-six thousand, nine hundred forty-three".