83872222 has 24 divisors (see below), whose sum is σ = 147440304. Its totient is φ = 35677152.

The previous prime is 83872211. The next prime is 83872241. The reversal of 83872222 is 22227838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10303 + ... + 16549.

It is an arithmetic number, because the mean of its divisors is an integer number (6143346).

Almost surely, 2^83872222 is an apocalyptic number.

83872222 is a deficient number, since it is larger than the sum of its proper divisors (63568082).

83872222 is a wasteful number, since it uses less digits than its factorization.

83872222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 6393 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 83872222 is about 9158.1778755383. The cubic root of 83872222 is about 437.7297353427.

It can be divided in two parts, 8387 and 2222, that added together give a square (10609 = 103²).

The spelling of 83872222 in words is "eighty-three million, eight hundred seventy-two thousand, two hundred twenty-two".