92002221 has 12 divisors (see below), whose sum is σ = 133162848. Its totient is φ = 61209864.

The previous prime is 92002219. The next prime is 92002243. The reversal of 92002221 is 12220029.

It is not a de Polignac number, because 92002221 - 2¹ = 92002219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 92002194 and 92002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92002291) by changing a digit.

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, 5635 + ... + 14688.

It is an arithmetic number, because the mean of its divisors is an integer number (11096904).

Almost surely, 2^92002221 is an apocalyptic number.

It is an amenable number.

92002221 is a deficient number, since it is larger than the sum of its proper divisors (41160627).

92002221 is a wasteful number, since it uses less digits than its factorization.

92002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20832 (or 20829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 92002221 is about 9591.7788235551. The cubic root of 92002221 is about 451.4393762674.

The spelling of 92002221 in words is "ninety-two million, two thousand, two hundred twenty-one".