22320401212 has 12 divisors (see below), whose sum is σ = 39245825416. Its totient is φ = 11107308240.

The previous prime is 22320401197. The next prime is 22320401227. The reversal of 22320401212 is 21210402322.

It is an interprime number because it is at equal distance from previous prime (22320401197) and next prime (22320401227).

It is a super-3 number, since 3×22320401212³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22320401212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13222143 + ... + 13223830.

Almost surely, 2^22320401212 is an apocalyptic number.

It is an amenable number.

22320401212 is a deficient number, since it is larger than the sum of its proper divisors (16925424204).

22320401212 is a wasteful number, since it uses less digits than its factorization.

22320401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26446188 (or 26446186 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22320401212 its reverse (21210402322), we get a palindrome (43530803534).

The spelling of 22320401212 in words is "twenty-two billion, three hundred twenty million, four hundred one thousand, two hundred twelve".