100422206449 has 2 divisors, whose sum is σ = 100422206450. Its totient is φ = 100422206448.

The previous prime is 100422206431. The next prime is 100422206461. The reversal of 100422206449 is 944602224001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50618250225 + 49803956224 = 224985^2 + 223168^2 .

It is a cyclic number.

It is not a de Polignac number, because 100422206449 - 2²⁵ = 100388652017 is a prime.

It is not a weakly prime, because it can be changed into another prime (100422206249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50211103224 + 50211103225.

It is an arithmetic number, because the mean of its divisors is an integer number (50211103225).

Almost surely, 2^100422206449 is an apocalyptic number.

It is an amenable number.

100422206449 is a deficient number, since it is larger than the sum of its proper divisors (1).

100422206449 is an equidigital number, since it uses as much as digits as its factorization.

100422206449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 100422206449 in words is "one hundred billion, four hundred twenty-two million, two hundred six thousand, four hundred forty-nine".