99722533 has 2 divisors, whose sum is σ = 99722534. Its totient is φ = 99722532.

The previous prime is 99722509. The next prime is 99722543. The reversal of 99722533 is 33522799.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58339044 + 41383489 = 7638^2 + 6433^2 .

It is a cyclic number.

It is not a de Polignac number, because 99722533 - 2¹³ = 99714341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99722543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49861266 + 49861267.

It is an arithmetic number, because the mean of its divisors is an integer number (49861267).

Almost surely, 2^99722533 is an apocalyptic number.

It is an amenable number.

99722533 is a deficient number, since it is larger than the sum of its proper divisors (1).

99722533 is an equidigital number, since it uses as much as digits as its factorization.

99722533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 40.

The square root of 99722533 is about 9986.1170131338. The cubic root of 99722533 is about 463.7291897870.

The spelling of 99722533 in words is "ninety-nine million, seven hundred twenty-two thousand, five hundred thirty-three".