945139222 has 16 divisors (see below), whose sum is σ = 1464192000. Its totient is φ = 457090920.

The previous prime is 945139219. The next prime is 945139267. The reversal of 945139222 is 222931549.

945139222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 228529 + ... + 232627.

It is an arithmetic number, because the mean of its divisors is an integer number (91512000).

Almost surely, 2^945139222 is an apocalyptic number.

945139222 is a deficient number, since it is larger than the sum of its proper divisors (519052778).

945139222 is a wasteful number, since it uses less digits than its factorization.

945139222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851.

The product of its digits is 38880, while the sum is 37.

The square root of 945139222 is about 30743.1166604819. The cubic root of 945139222 is about 981.3680816313.

The spelling of 945139222 in words is "nine hundred forty-five million, one hundred thirty-nine thousand, two hundred twenty-two".