39222944 has 24 divisors (see below), whose sum is σ = 81763668. Its totient is φ = 18457600.

The previous prime is 39222943. The next prime is 39222949. The reversal of 39222944 is 44922293.

39222944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39187600 + 35344 = 6260^2 + 188^2 .

It is not an unprimeable number, because it can be changed into a prime (39222941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35507 + ... + 36594.

Almost surely, 2^39222944 is an apocalyptic number.

39222944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39222944 is an abundant number, since it is smaller than the sum of its proper divisors (42540724).

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

39222944 is a wasteful number, since it uses less digits than its factorization.

39222944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72128 (or 72120 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 39222944 is about 6262.8223669525. The cubic root of 39222944 is about 339.7661136560.

The spelling of 39222944 in words is "thirty-nine million, two hundred twenty-two thousand, nine hundred forty-four".