1322222000 has 80 divisors (see below), whose sum is σ = 3487839264. Its totient is φ = 480800000.

The previous prime is 1322221991. The next prime is 1322222017. The reversal of 1322222000 is 2222231.

It is a tau number, because it is divible by the number of its divisors (80).

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, 8051 + ... + 52050.

Almost surely, 2^1322222000 is an apocalyptic number.

1322222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322222000 is an abundant number, since it is smaller than the sum of its proper divisors (2165617264).

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

1322222000 is a wasteful number, since it uses less digits than its factorization.

1322222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60135 (or 60119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1322222000 is about 36362.3706597906. The cubic root of 1322222000 is about 1097.5764826154.

Adding to 1322222000 its reverse (2222231), we get a palindrome (1324444231).

It can be divided in two parts, 1322 and 222000, that added together give a palindrome (223322).

The spelling of 1322222000 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand".