30220213249 has 2 divisors, whose sum is σ = 30220213250. Its totient is φ = 30220213248.

The previous prime is 30220213213. The next prime is 30220213271. The reversal of 30220213249 is 94231202203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26052219649 + 4167993600 = 161407^2 + 64560^2 .

It is a cyclic number.

It is not a de Polignac number, because 30220213249 - 2²⁷ = 30085995521 is a prime.

It is a super-2 number, since 2×30220213249² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30220214249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110106624 + 15110106625.

It is an arithmetic number, because the mean of its divisors is an integer number (15110106625).

Almost surely, 2^30220213249 is an apocalyptic number.

It is an amenable number.

30220213249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220213249 is an equidigital number, since it uses as much as digits as its factorization.

30220213249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 30220213249 in words is "thirty billion, two hundred twenty million, two hundred thirteen thousand, two hundred forty-nine".