1244422101 has 16 divisors (see below), whose sum is σ = 1799913024. Its totient is φ = 760205184.

The previous prime is 1244422099. The next prime is 1244422169. The reversal of 1244422101 is 1012244421.

It is not a de Polignac number, because 1244422101 - 2¹ = 1244422099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244422301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111111 + ... + 121796.

It is an arithmetic number, because the mean of its divisors is an integer number (112494564).

Almost surely, 2^1244422101 is an apocalyptic number.

It is an amenable number.

1244422101 is a deficient number, since it is larger than the sum of its proper divisors (555490923).

1244422101 is a wasteful number, since it uses less digits than its factorization.

1244422101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233060.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1244422101 is about 35276.3674575487. The cubic root of 1244422101 is about 1075.6126598909.

Adding to 1244422101 its reverse (1012244421), we get a palindrome (2256666522).

The spelling of 1244422101 in words is "one billion, two hundred forty-four million, four hundred twenty-two thousand, one hundred one".