2092221 has 12 divisors (see below), whose sum is σ = 3120000. Its totient is φ = 1349640.

The previous prime is 2092217. The next prime is 2092229. The reversal of 2092221 is 1222902.

It is not a de Polignac number, because 2092221 - 2² = 2092217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2092194 and 2092203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2092229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3471 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (260000).

2^2092221 is an apocalyptic number.

It is an amenable number.

2092221 is a deficient number, since it is larger than the sum of its proper divisors (1027779).

2092221 is a wasteful number, since it uses less digits than its factorization.

2092221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536 (or 7533 counting only the distinct ones).

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

The square root of 2092221 is about 1446.4511744266. The cubic root of 2092221 is about 127.8995998172.

The spelling of 2092221 in words is "two million, ninety-two thousand, two hundred twenty-one".