1442231000 has 64 divisors (see below), whose sum is σ = 3856956480. Its totient is φ = 494476800.

The previous prime is 1442230973. The next prime is 1442231033. The reversal of 1442231000 is 1322441.

It is a super-2 number, since 2×1442231000² = 4160060514722000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442231000.

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, 96017 + ... + 110016.

It is an arithmetic number, because the mean of its divisors is an integer number (60264945).

Almost surely, 2^1442231000 is an apocalyptic number.

1442231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442231000 is an abundant number, since it is smaller than the sum of its proper divisors (2414725480).

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

1442231000 is a wasteful number, since it uses less digits than its factorization.

1442231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206061 (or 206047 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1442231000 is about 37976.7165510659. The cubic root of 1442231000 is about 1129.8261146800.

Adding to 1442231000 its reverse (1322441), we get a palindrome (1443553441).

The spelling of 1442231000 in words is "one billion, four hundred forty-two million, two hundred thirty-one thousand".