1022003031222 has 96 divisors (see below), whose sum is σ = 2400850603008. Its totient is φ = 312946115328.

The previous prime is 1022003031197. The next prime is 1022003031251. The reversal of 1022003031222 is 2221303002201.

1022003031222 is a `hidden beast` number, since 102 + 200 + 30 + 312 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1022003031195 and 1022003031204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18696543 + ... + 18751125.

It is an arithmetic number, because the mean of its divisors is an integer number (25008860448).

Almost surely, 2^{1022003031222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022003031222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200425301504).

1022003031222 is an abundant number, since it is smaller than the sum of its proper divisors (1378847571786).

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

1022003031222 is a wasteful number, since it uses less digits than its factorization.

1022003031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56074 (or 56071 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1022003031222 its reverse (2221303002201), we get a palindrome (3243306033423).

The spelling of 1022003031222 in words is "one trillion, twenty-two billion, three million, thirty-one thousand, two hundred twenty-two".