99949229 has 2 divisors, whose sum is σ = 99949230. Its totient is φ = 99949228.

The previous prime is 99949219. The next prime is 99949259. The reversal of 99949229 is 92294999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 946729 = 9950^2 + 973^2 .

It is an emirp because it is prime and its reverse (92294999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99949229 - 2¹² = 99945133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99949219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49974614 + 49974615.

It is an arithmetic number, because the mean of its divisors is an integer number (49974615).

Almost surely, 2^99949229 is an apocalyptic number.

It is an amenable number.

99949229 is a deficient number, since it is larger than the sum of its proper divisors (1).

99949229 is an equidigital number, since it uses as much as digits as its factorization.

99949229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 53.

The square root of 99949229 is about 9997.4611277064. The cubic root of 99949229 is about 464.0803173613.

The spelling of 99949229 in words is "ninety-nine million, nine hundred forty-nine thousand, two hundred twenty-nine".