22646043422 has 16 divisors (see below), whose sum is σ = 34192590432. Its totient is φ = 11248644960.

The previous prime is 22646043401. The next prime is 22646043449. The reversal of 22646043422 is 22434064622.

It is a super-2 number, since 2×22646043422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 317708 + ... + 382400.

It is an arithmetic number, because the mean of its divisors is an integer number (2137036902).

Almost surely, 2^22646043422 is an apocalyptic number.

22646043422 is a deficient number, since it is larger than the sum of its proper divisors (11546547010).

22646043422 is a wasteful number, since it uses less digits than its factorization.

22646043422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65843.

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 22646043422 in words is "twenty-two billion, six hundred forty-six million, forty-three thousand, four hundred twenty-two".