9190469221 has 2 divisors, whose sum is σ = 9190469222. Its totient is φ = 9190469220.

The previous prime is 9190469131. The next prime is 9190469227. The reversal of 9190469221 is 1229640919.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4676644996 + 4513824225 = 68386^2 + 67185^2 .

It is a cyclic number.

It is not a de Polignac number, because 9190469221 - 2⁹ = 9190468709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9190469227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4595234610 + 4595234611.

It is an arithmetic number, because the mean of its divisors is an integer number (4595234611).

Almost surely, 2^9190469221 is an apocalyptic number.

It is an amenable number.

9190469221 is a deficient number, since it is larger than the sum of its proper divisors (1).

9190469221 is an equidigital number, since it uses as much as digits as its factorization.

9190469221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 9190469221 is about 95866.9349723876. The cubic root of 9190469221 is about 2094.6552840475.

The spelling of 9190469221 in words is "nine billion, one hundred ninety million, four hundred sixty-nine thousand, two hundred twenty-one".