21122225414 has 8 divisors (see below), whose sum is σ = 31725982800. Its totient is φ = 10546897816.

The previous prime is 21122225407. The next prime is 21122225419. The reversal of 21122225414 is 41452222112.

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

It is a super-2 number, since 2×21122225414² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122225419) 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 3 ways as a sum of consecutive naturals, for example, 7105589 + ... + 7108560.

It is an arithmetic number, because the mean of its divisors is an integer number (3965747850).

Almost surely, 2^21122225414 is an apocalyptic number.

21122225414 is a deficient number, since it is larger than the sum of its proper divisors (10603757386).

21122225414 is a wasteful number, since it uses less digits than its factorization.

21122225414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214894.

The product of its digits is 2560, while the sum is 26.

Adding to 21122225414 its reverse (41452222112), we get a palindrome (62574447526).

The spelling of 21122225414 in words is "twenty-one billion, one hundred twenty-two million, two hundred twenty-five thousand, four hundred fourteen".