1022203122004 has 48 divisors (see below), whose sum is σ = 2040137668800. Its totient is φ = 445120897536.

The previous prime is 1022203122001. The next prime is 1022203122013. The reversal of 1022203122004 is 4002213022201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022203122001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9144199 + ... + 9255310.

It is an arithmetic number, because the mean of its divisors is an integer number (42502868100).

Almost surely, 2^{1022203122004} is an apocalyptic number.

It is an amenable number.

1022203122004 is a deficient number, since it is larger than the sum of its proper divisors (1017934546796).

1022203122004 is a wasteful number, since it uses less digits than its factorization.

1022203122004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399592 (or 18399590 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1022203122004 its reverse (4002213022201), we get a palindrome (5024416144205).

The spelling of 1022203122004 in words is "one trillion, twenty-two billion, two hundred three million, one hundred twenty-two thousand, four".