22343400422 has 16 divisors (see below), whose sum is σ = 38394397440. Its totient is φ = 9552886728.

The previous prime is 22343400413. The next prime is 22343400473. The reversal of 22343400422 is 22400434322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22343400391 and 22343400400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898618 + ... + 1910349.

It is an arithmetic number, because the mean of its divisors is an integer number (2399649840).

Almost surely, 2^22343400422 is an apocalyptic number.

22343400422 is a deficient number, since it is larger than the sum of its proper divisors (16050997018).

22343400422 is a wasteful number, since it uses less digits than its factorization.

22343400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809395.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 22343400422 its reverse (22400434322), we get a palindrome (44743834744).

The spelling of 22343400422 in words is "twenty-two billion, three hundred forty-three million, four hundred thousand, four hundred twenty-two".