1442121522 has 8 divisors (see below), whose sum is σ = 2884243056. Its totient is φ = 480707172.

The previous prime is 1442121517. The next prime is 1442121523. The reversal of 1442121522 is 2251212441.

It is a sphenic number, since it is the product of 3 distinct primes.

1442121522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1442121492 and 1442121501.

It is not an unprimeable number, because it can be changed into a prime (1442121523) 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, 120176788 + ... + 120176799.

It is an arithmetic number, because the mean of its divisors is an integer number (360530382).

Almost surely, 2^1442121522 is an apocalyptic number.

1442121522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1442121522 is a wasteful number, since it uses less digits than its factorization.

1442121522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240353592.

The product of its digits is 1280, while the sum is 24.

The square root of 1442121522 is about 37975.2751405437. The cubic root of 1442121522 is about 1129.7975260482.

Adding to 1442121522 its reverse (2251212441), we get a palindrome (3693333963).

The spelling of 1442121522 in words is "one billion, four hundred forty-two million, one hundred twenty-one thousand, five hundred twenty-two".