83220292 has 24 divisors (see below), whose sum is σ = 149117696. Its totient is φ = 40627008.

The previous prime is 83220281. The next prime is 83220311. The reversal of 83220292 is 29202238.

It is a self number, because there is not a number n which added to its sum of digits gives 83220292.

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, 28693 + ... + 31459.

Almost surely, 2^83220292 is an apocalyptic number.

It is an amenable number.

83220292 is a deficient number, since it is larger than the sum of its proper divisors (65897404).

83220292 is a wasteful number, since it uses less digits than its factorization.

83220292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83220292 is about 9122.5156618117. The cubic root of 83220292 is about 436.5926415965.

The spelling of 83220292 in words is "eighty-three million, two hundred twenty thousand, two hundred ninety-two".