22220202022012 has 24 divisors (see below), whose sum is σ = 42343397686800. Its totient is φ = 10162415442816.

The previous prime is 22220202022003. The next prime is 22220202022021. The reversal of 22220202022012 is 21022020202222.

It is an interprime number because it is at equal distance from previous prime (22220202022003) and next prime (22220202022021).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5040878473 + ... + 5040882880.

It is an arithmetic number, because the mean of its divisors is an integer number (1764308236950).

Almost surely, 2^{22220202022012} is an apocalyptic number.

It is an amenable number.

22220202022012 is a deficient number, since it is larger than the sum of its proper divisors (20123195664788).

22220202022012 is a wasteful number, since it uses less digits than its factorization.

22220202022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081761405 (or 10081761403 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22220202022012 its reverse (21022020202222), we get a palindrome (43242222224234).

The spelling of 22220202022012 in words is "twenty-two trillion, two hundred twenty billion, two hundred two million, twenty-two thousand, twelve".