22412305021 has 8 divisors (see below), whose sum is σ = 22782634560. Its totient is φ = 22043686752.

The previous prime is 22412305009. The next prime is 22412305033. The reversal of 22412305021 is 12050321422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22412305009) and next prime (22412305033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22412305021 - 2²³ = 22403916413 is a prime.

It is a super-2 number, since 2×22412305021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22412304983 and 22412305001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412302021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401395 + ... + 453808.

It is an arithmetic number, because the mean of its divisors is an integer number (2847829320).

Almost surely, 2^22412305021 is an apocalyptic number.

It is an amenable number.

22412305021 is a deficient number, since it is larger than the sum of its proper divisors (370329539).

22412305021 is an equidigital number, since it uses as much as digits as its factorization.

22412305021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855635.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 22412305021 its reverse (12050321422), we get a palindrome (34462626443).

The spelling of 22412305021 in words is "twenty-two billion, four hundred twelve million, three hundred five thousand, twenty-one".