1442172227 has 16 divisors (see below), whose sum is σ = 1499422848. Its totient is φ = 1386141120.

The previous prime is 1442172211. The next prime is 1442172229. The reversal of 1442172227 is 7222712441.

It is not a de Polignac number, because 1442172227 - 2⁴ = 1442172211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442172193 and 1442172202.

It is not an unprimeable number, because it can be changed into a prime (1442172229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116452 + ... + 1117742.

It is an arithmetic number, because the mean of its divisors is an integer number (93713928).

Almost surely, 2^1442172227 is an apocalyptic number.

1442172227 is a deficient number, since it is larger than the sum of its proper divisors (57250621).

1442172227 is a wasteful number, since it uses less digits than its factorization.

1442172227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730.

The product of its digits is 12544, while the sum is 32.

The square root of 1442172227 is about 37975.9427401085. The cubic root of 1442172227 is about 1129.8107671219.

Adding to 1442172227 its reverse (7222712441), we get a palindrome (8664884668).

The spelling of 1442172227 in words is "one billion, four hundred forty-two million, one hundred seventy-two thousand, two hundred twenty-seven".