1442221004 has 24 divisors (see below), whose sum is σ = 2885395968. Its totient is φ = 617890320.

The previous prime is 1442220947. The next prime is 1442221019. The reversal of 1442221004 is 4001222441.

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, 103517 + ... + 116619.

It is an arithmetic number, because the mean of its divisors is an integer number (120224832).

Almost surely, 2^1442221004 is an apocalyptic number.

1442221004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442221004 is an abundant number, since it is smaller than the sum of its proper divisors (1443174964).

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

1442221004 is a wasteful number, since it uses less digits than its factorization.

1442221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045 (or 17043 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1442221004 is about 37976.5849438835. The cubic root of 1442221004 is about 1129.8235044260.

Adding to 1442221004 its reverse (4001222441), we get a palindrome (5443443445).

The spelling of 1442221004 in words is "one billion, four hundred forty-two million, two hundred twenty-one thousand, four".