99220027 has 2 divisors, whose sum is σ = 99220028. Its totient is φ = 99220026.

The previous prime is 99219997. The next prime is 99220063. The reversal of 99220027 is 72002299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99220027 - 2¹⁹ = 98695739 is a prime.

It is a super-2 number, since 2×99220027² = 19689227515761458, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99220127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49610013 + 49610014.

It is an arithmetic number, because the mean of its divisors is an integer number (49610014).

Almost surely, 2^99220027 is an apocalyptic number.

99220027 is a deficient number, since it is larger than the sum of its proper divisors (1).

99220027 is an equidigital number, since it uses as much as digits as its factorization.

99220027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 99220027 is about 9960.9250072471. The cubic root of 99220027 is about 462.9489608756.

The spelling of 99220027 in words is "ninety-nine million, two hundred twenty thousand, twenty-seven".