1022201220022 has 16 divisors (see below), whose sum is σ = 1554935290272. Its totient is φ = 503889805440.

The previous prime is 1022201219983. The next prime is 1022201220023. The reversal of 1022201220022 is 2200221022201.

It is a junction number, because it is equal to n+sod(n) for n = 1022201219978 and 1022201220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022201220023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9482128 + ... + 9589324.

It is an arithmetic number, because the mean of its divisors is an integer number (97183455642).

Almost surely, 2^{1022201220022} is an apocalyptic number.

1022201220022 is a deficient number, since it is larger than the sum of its proper divisors (532734070250).

1022201220022 is a wasteful number, since it uses less digits than its factorization.

1022201220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174423.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1022201220022 its reverse (2200221022201), we get a palindrome (3222422242223).

The spelling of 1022201220022 in words is "one trillion, twenty-two billion, two hundred one million, two hundred twenty thousand, twenty-two".