1322222120 has 32 divisors (see below), whose sum is σ = 3047564520. Its totient is φ = 515988480.

The previous prime is 1322222101. The next prime is 1322222147. The reversal of 1322222120 is 212222231.

It can be written as a sum of positive squares in 4 ways, for example, as 1016461924 + 305760196 = 31882^2 + 17486^2 .

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, 401477 + ... + 404756.

Almost surely, 2^1322222120 is an apocalyptic number.

1322222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322222120 is an abundant number, since it is smaller than the sum of its proper divisors (1725342400).

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

1322222120 is a wasteful number, since it uses less digits than its factorization.

1322222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806285 (or 806281 counting only the distinct ones).

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

The square root of 1322222120 is about 36362.3723098480. The cubic root of 1322222120 is about 1097.5765158194.

Adding to 1322222120 its reverse (212222231), we get a palindrome (1534444351).

The spelling of 1322222120 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty".