43422373 has 4 divisors (see below), whose sum is σ = 43450060. Its totient is φ = 43394688.

The previous prime is 43422331. The next prime is 43422383. The reversal of 43422373 is 37322434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37322434 = 2 ⋅18661217.

It can be written as a sum of positive squares in 2 ways, for example, as 28227969 + 15194404 = 5313^2 + 3898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43422373 is a prime.

It is a super-2 number, since 2×43422373² = 3771004953902258, 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 (43422383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11340 + ... + 14677.

It is an arithmetic number, because the mean of its divisors is an integer number (10862515).

Almost surely, 2^43422373 is an apocalyptic number.

It is an amenable number.

43422373 is a deficient number, since it is larger than the sum of its proper divisors (27687).

43422373 is a wasteful number, since it uses less digits than its factorization.

43422373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686.

The product of its digits is 12096, while the sum is 28.

The square root of 43422373 is about 6589.5654636706. The cubic root of 43422373 is about 351.4831564536.

The spelling of 43422373 in words is "forty-three million, four hundred twenty-two thousand, three hundred seventy-three".