872072222 has 64 divisors (see below), whose sum is σ = 1720258560. Its totient is φ = 322444800.

The previous prime is 872072219. The next prime is 872072249. The reversal of 872072222 is 222270278.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137072 + ... + 143292.

It is an arithmetic number, because the mean of its divisors is an integer number (26879040).

Almost surely, 2^872072222 is an apocalyptic number.

872072222 is a deficient number, since it is larger than the sum of its proper divisors (848186338).

872072222 is a wasteful number, since it uses less digits than its factorization.

872072222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 872072222 is about 29530.8689679122. The cubic root of 872072222 is about 955.3976111751.

The spelling of 872072222 in words is "eight hundred seventy-two million, seventy-two thousand, two hundred twenty-two".