1000022002222 has 32 divisors (see below), whose sum is σ = 1590916813920. Its totient is φ = 470606008320.

The previous prime is 1000022002151. The next prime is 1000022002223. The reversal of 1000022002222 is 2222002200001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022002223) 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, 2721253 + ... + 3066799.

It is an arithmetic number, because the mean of its divisors is an integer number (49716150435).

Almost surely, 2^{1000022002222} is an apocalyptic number.

1000022002222 is a deficient number, since it is larger than the sum of its proper divisors (590894811698).

1000022002222 is a wasteful number, since it uses less digits than its factorization.

1000022002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346836.

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

Adding to 1000022002222 its reverse (2222002200001), we get a palindrome (3222024202223).

The spelling of 1000022002222 in words is "one trillion, twenty-two million, two thousand, two hundred twenty-two".