1442121222 has 32 divisors (see below), whose sum is σ = 2990746080. Its totient is φ = 463034880.

The previous prime is 1442121211. The next prime is 1442121269. The reversal of 1442121222 is 2221212441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65772 + ... + 84912.

It is an arithmetic number, because the mean of its divisors is an integer number (93460815).

Almost surely, 2^1442121222 is an apocalyptic number.

1442121222 is an abundant number, since it is smaller than the sum of its proper divisors (1548624858).

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

1442121222 is a wasteful number, since it uses less digits than its factorization.

1442121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19608.

The product of its digits is 512, while the sum is 21.

The square root of 1442121222 is about 37975.2711906051. The cubic root of 1442121222 is about 1129.7974477055.

Adding to 1442121222 its reverse (2221212441), we get a palindrome (3663333663).

The spelling of 1442121222 in words is "one billion, four hundred forty-two million, one hundred twenty-one thousand, two hundred twenty-two".