22351414421 has 16 divisors (see below), whose sum is σ = 26659780608. Its totient is φ = 18322167600.

The previous prime is 22351414331. The next prime is 22351414483. The reversal of 22351414421 is 12441415322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22351414421 - 2²² = 22347220117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351414021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1456016 + ... + 1471286.

It is an arithmetic number, because the mean of its divisors is an integer number (1666236288).

Almost surely, 2^22351414421 is an apocalyptic number.

It is an amenable number.

22351414421 is a deficient number, since it is larger than the sum of its proper divisors (4308366187).

22351414421 is a wasteful number, since it uses less digits than its factorization.

22351414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24392.

The product of its digits is 7680, while the sum is 29.

Adding to 22351414421 its reverse (12441415322), we get a palindrome (34792829743).

Subtracting from 22351414421 its reverse (12441415322), we obtain a palindrome (9909999099).

The spelling of 22351414421 in words is "twenty-two billion, three hundred fifty-one million, four hundred fourteen thousand, four hundred twenty-one".