43422066 has 12 divisors (see below), whose sum is σ = 94081182. Its totient is φ = 14474016.

The previous prime is 43422061. The next prime is 43422101. The reversal of 43422066 is 66022434.

43422066 is a `hidden beast` number, since 434 + 220 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30569841 + 12852225 = 5529^2 + 3585^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43422061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1206151 + ... + 1206186.

Almost surely, 2^43422066 is an apocalyptic number.

43422066 is an abundant number, since it is smaller than the sum of its proper divisors (50659116).

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

43422066 is a wasteful number, since it uses less digits than its factorization.

43422066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412345 (or 2412342 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 43422066 is about 6589.5421692254. The cubic root of 43422066 is about 351.4823281127.

It can be divided in two parts, 434 and 22066, that added together give a square (22500 = 150²).

The spelling of 43422066 in words is "forty-three million, four hundred twenty-two thousand, sixty-six".