1442240322 has 16 divisors (see below), whose sum is σ = 3054156192. Its totient is φ = 452467520.

The previous prime is 1442240291. The next prime is 1442240347. The reversal of 1442240322 is 2230422441.

It is a junction number, because it is equal to n+sod(n) for n = 1442240292 and 1442240301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7069704 + ... + 7069907.

It is an arithmetic number, because the mean of its divisors is an integer number (190884762).

Almost surely, 2^1442240322 is an apocalyptic number.

1442240322 is an abundant number, since it is smaller than the sum of its proper divisors (1611915870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442240322 is a wasteful number, since it uses less digits than its factorization.

1442240322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139633.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1442240322 is about 37976.8392839636. The cubic root of 1442240322 is about 1129.8285489217.

Adding to 1442240322 its reverse (2230422441), we get a palindrome (3672662763).

The spelling of 1442240322 in words is "one billion, four hundred forty-two million, two hundred forty thousand, three hundred twenty-two".