162092221 has 2 divisors, whose sum is σ = 162092222. Its totient is φ = 162092220.

The previous prime is 162092207. The next prime is 162092243. The reversal of 162092221 is 122290261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149940025 + 12152196 = 12245^2 + 3486^2 .

It is a cyclic number.

It is not a de Polignac number, because 162092221 - 2²⁷ = 27874493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162092291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81046110 + 81046111.

It is an arithmetic number, because the mean of its divisors is an integer number (81046111).

Almost surely, 2^162092221 is an apocalyptic number.

It is an amenable number.

162092221 is a deficient number, since it is larger than the sum of its proper divisors (1).

162092221 is an equidigital number, since it uses as much as digits as its factorization.

162092221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 162092221 is about 12731.5443289493. The cubic root of 162092221 is about 545.2396006211.

The spelling of 162092221 in words is "one hundred sixty-two million, ninety-two thousand, two hundred twenty-one".