1000020022222 has 48 divisors (see below), whose sum is σ = 1647075867408. Its totient is φ = 455077958400.

The previous prime is 1000020022153. The next prime is 1000020022259. The reversal of 1000020022222 is 2222200200001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123439972 + ... + 123448072.

It is an arithmetic number, because the mean of its divisors is an integer number (34314080571).

Almost surely, 2^{1000020022222} is an apocalyptic number.

1000020022222 is a deficient number, since it is larger than the sum of its proper divisors (647055845186).

1000020022222 is a wasteful number, since it uses less digits than its factorization.

1000020022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205 (or 13192 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1000020022222 its reverse (2222200200001), we get a palindrome (3222220222223).

The spelling of 1000020022222 in words is "one trillion, twenty million, twenty-two thousand, two hundred twenty-two".