1442022431 has 2 divisors, whose sum is σ = 1442022432. Its totient is φ = 1442022430.

The previous prime is 1442022427. The next prime is 1442022437. The reversal of 1442022431 is 1342202441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442022431 - 2² = 1442022427 is a prime.

It is a super-2 number, since 2×1442022431² = 4158857383014299522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442022397 and 1442022406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442022437) 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 as a sum of consecutive naturals, namely, 721011215 + 721011216.

It is an arithmetic number, because the mean of its divisors is an integer number (721011216).

Almost surely, 2^1442022431 is an apocalyptic number.

1442022431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442022431 is an equidigital number, since it uses as much as digits as its factorization.

1442022431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1442022431 is about 37973.9704402898. The cubic root of 1442022431 is about 1129.7716485871.

Adding to 1442022431 its reverse (1342202441), we get a palindrome (2784224872).

The spelling of 1442022431 in words is "one billion, four hundred forty-two million, twenty-two thousand, four hundred thirty-one".