1442212441 has 2 divisors, whose sum is σ = 1442212442. Its totient is φ = 1442212440.

The previous prime is 1442212439. The next prime is 1442212451. The reversal of 1442212441 is 1442122441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1357185600 + 85026841 = 36840^2 + 9221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442212441 - 2¹ = 1442212439 is a prime.

Together with 1442212439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1442212451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721106220 + 721106221.

It is an arithmetic number, because the mean of its divisors is an integer number (721106221).

Almost surely, 2^1442212441 is an apocalyptic number.

It is an amenable number.

1442212441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442212441 is an equidigital number, since it uses as much as digits as its factorization.

1442212441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 25.

The square root of 1442212441 is about 37976.4722031944. The cubic root of 1442212441 is about 1129.8212683614.

Adding to 1442212441 its reverse (1442122441), we get a palindrome (2884334882).

Subtracting from 1442212441 its reverse (1442122441), we obtain a square (90000 = 300²).

The spelling of 1442212441 in words is "one billion, four hundred forty-two million, two hundred twelve thousand, four hundred forty-one".