1322222020002 has 80 divisors (see below), whose sum is σ = 3191277656952. Its totient is φ = 406758931200.

The previous prime is 1322222019997. The next prime is 1322222020013. The reversal of 1322222020002 is 2000202222231.

It can be written as a sum of positive squares in 4 ways, for example, as 187083065961 + 1135138954041 = 432531^2 + 1065429^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11350252 + ... + 11466152.

Almost surely, 2^{1322222020002} is an apocalyptic number.

1322222020002 is an abundant number, since it is smaller than the sum of its proper divisors (1869055636950).

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

1322222020002 is a wasteful number, since it uses less digits than its factorization.

1322222020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121345 (or 121336 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1322222020002 its reverse (2000202222231), we get a palindrome (3322424242233).

The spelling of 1322222020002 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-two million, twenty thousand, two".