1442240022331 has 4 divisors (see below), whose sum is σ = 1481219482432. Its totient is φ = 1403260562232.

The previous prime is 1442240022299. The next prime is 1442240022397. The reversal of 1442240022331 is 1332200422441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442240022331 - 2⁵ = 1442240022299 is a prime.

It is a super-2 number, since 2×1442240022331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442240022331.

It is not an unprimeable number, because it can be changed into a prime (1442240022631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19489729995 + ... + 19489730068.

It is an arithmetic number, because the mean of its divisors is an integer number (370304870608).

Almost surely, 2^{1442240022331} is an apocalyptic number.

1442240022331 is a deficient number, since it is larger than the sum of its proper divisors (38979460101).

1442240022331 is an equidigital number, since it uses as much as digits as its factorization.

1442240022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38979460100.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1442240022331 its reverse (1332200422441), we get a palindrome (2774440444772).

The spelling of 1442240022331 in words is "one trillion, four hundred forty-two billion, two hundred forty million, twenty-two thousand, three hundred thirty-one".