92000221 has 4 divisors (see below), whose sum is σ = 93260572. Its totient is φ = 90739872.

The previous prime is 92000213. The next prime is 92000231. The reversal of 92000221 is 12200029.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26163225 + 65836996 = 5115^2 + 8114^2 .

It is a cyclic number.

It is not a de Polignac number, because 92000221 - 2³ = 92000213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 92000195 and 92000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630066 + ... + 630211.

It is an arithmetic number, because the mean of its divisors is an integer number (23315143).

Almost surely, 2^92000221 is an apocalyptic number.

It is an amenable number.

92000221 is a deficient number, since it is larger than the sum of its proper divisors (1260351).

92000221 is a wasteful number, since it uses less digits than its factorization.

92000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260350.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 92000221 is about 9591.6745670399. The cubic root of 92000221 is about 451.4361050228.

The spelling of 92000221 in words is "ninety-two million, two hundred twenty-one", and thus it is an aban number.