22022423003212 has 24 divisors (see below), whose sum is σ = 38763315795456. Its totient is φ = 10947373627008.

The previous prime is 22022423003197. The next prime is 22022423003213. The reversal of 22022423003212 is 21230032422022.

It is a super-2 number, since 2×22022423003212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022423003213) 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, 22483663 + ... + 23442694.

It is an arithmetic number, because the mean of its divisors is an integer number (1615138158144).

Almost surely, 2^{22022423003212} is an apocalyptic number.

It is an amenable number.

22022423003212 is a deficient number, since it is larger than the sum of its proper divisors (16740892792244).

22022423003212 is a wasteful number, since it uses less digits than its factorization.

22022423003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45927057 (or 45927055 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22022423003212 its reverse (21230032422022), we get a palindrome (43252455425234).

The spelling of 22022423003212 in words is "twenty-two trillion, twenty-two billion, four hundred twenty-three million, three thousand, two hundred twelve".