1444322101 has 2 divisors, whose sum is σ = 1444322102. Its totient is φ = 1444322100.

The previous prime is 1444322051. The next prime is 1444322123. The reversal of 1444322101 is 1012234441.

It is a happy number.

It is an a-pointer prime, because the next prime (1444322123) can be obtained adding 1444322101 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932386225 + 511935876 = 30535^2 + 22626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444322101 - 2¹³ = 1444313909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444322401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722161050 + 722161051.

It is an arithmetic number, because the mean of its divisors is an integer number (722161051).

Almost surely, 2^1444322101 is an apocalyptic number.

It is an amenable number.

1444322101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444322101 is an equidigital number, since it uses as much as digits as its factorization.

1444322101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1444322101 is about 38004.2379347356. The cubic root of 1444322101 is about 1130.3718986301.

Adding to 1444322101 its reverse (1012234441), we get a palindrome (2456556542).

The spelling of 1444322101 in words is "one billion, four hundred forty-four million, three hundred twenty-two thousand, one hundred one".