43438222 has 16 divisors (see below), whose sum is σ = 68022432. Its totient is φ = 20783520.

The previous prime is 43438207. The next prime is 43438231. The reversal of 43438222 is 22283434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (4251402).

Almost surely, 2^43438222 is an apocalyptic number.

43438222 is a deficient number, since it is larger than the sum of its proper divisors (24584210).

43438222 is a wasteful number, since it uses less digits than its factorization.

43438222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723.

The product of its digits is 9216, while the sum is 28.

The square root of 43438222 is about 6590.7679370465. The cubic root of 43438222 is about 351.5259145876.

It can be divided in two parts, 43438 and 222, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 43438222 in words is "forty-three million, four hundred thirty-eight thousand, two hundred twenty-two".