1002212220022 has 32 divisors (see below), whose sum is σ = 1646563209984. Its totient is φ = 454738346400.

The previous prime is 1002212220019. The next prime is 1002212220067. The reversal of 1002212220022 is 2200222122001.

It is a super-2 number, since 2×1002212220022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002212219978 and 1002212220005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010554 + ... + 1739437.

It is an arithmetic number, because the mean of its divisors is an integer number (51455100312).

Almost surely, 2^{1002212220022} is an apocalyptic number.

1002212220022 is a deficient number, since it is larger than the sum of its proper divisors (644350989962).

1002212220022 is a wasteful number, since it uses less digits than its factorization.

1002212220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750244.

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

Adding to 1002212220022 its reverse (2200222122001), we get a palindrome (3202434342023).

The spelling of 1002212220022 in words is "one trillion, two billion, two hundred twelve million, two hundred twenty thousand, twenty-two".