22000021002222 has 16 divisors (see below), whose sum is σ = 44055249093072. Its totient is φ = 7324139152640.

The previous prime is 22000021002217. The next prime is 22000021002227. The reversal of 22000021002222 is 22220012000022.

It is an interprime number because it is at equal distance from previous prime (22000021002217) and next prime (22000021002227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000021002227) 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, 2300290179 + ... + 2300299742.

It is an arithmetic number, because the mean of its divisors is an integer number (2753453068317).

Almost surely, 2^{22000021002222} is an apocalyptic number.

22000021002222 is an abundant number, since it is smaller than the sum of its proper divisors (22055228090850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22000021002222 is a wasteful number, since it uses less digits than its factorization.

22000021002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600590723.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22000021002222 its reverse (22220012000022), we get a palindrome (44220033002244).

The spelling of 22000021002222 in words is "twenty-two trillion, twenty-one million, two thousand, two hundred twenty-two".