9922151 has 2 divisors, whose sum is σ = 9922152. Its totient is φ = 9922150.

The previous prime is 9922127. The next prime is 9922153. The reversal of 9922151 is 1512299.

It is a strong prime.

It is an emirp because it is prime and its reverse (1512299) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9922151 is a prime.

Together with 9922153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9922153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961075 + 4961076.

It is an arithmetic number, because the mean of its divisors is an integer number (4961076).

Almost surely, 2^9922151 is an apocalyptic number.

9922151 is a deficient number, since it is larger than the sum of its proper divisors (1).

9922151 is an equidigital number, since it uses as much as digits as its factorization.

9922151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 29.

The square root of 9922151 is about 3149.9446026875. The cubic root of 9922151 is about 214.8829433109.

The spelling of 9922151 in words is "nine million, nine hundred twenty-two thousand, one hundred fifty-one".