10220229997 has 2 divisors, whose sum is σ = 10220229998. Its totient is φ = 10220229996.

The previous prime is 10220229977. The next prime is 10220230001. The reversal of 10220229997 is 79992202201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7724827881 + 2495402116 = 87891^2 + 49954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220229997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220229917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110114998 + 5110114999.

It is an arithmetic number, because the mean of its divisors is an integer number (5110114999).

Almost surely, 2^10220229997 is an apocalyptic number.

It is an amenable number.

10220229997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220229997 is an equidigital number, since it uses as much as digits as its factorization.

10220229997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 10220229997 in words is "ten billion, two hundred twenty million, two hundred twenty-nine thousand, nine hundred ninety-seven".