22451428464166 has 32 divisors (see below), whose sum is σ = 38401490504160. Its totient is φ = 9752553924096.

The previous prime is 22451428464139. The next prime is 22451428464169. The reversal of 22451428464166 is 66146482415422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451428464169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54278865 + ... + 54690931.

It is an arithmetic number, because the mean of its divisors is an integer number (1200046578255).

Almost surely, 2^{22451428464166} is an apocalyptic number.

22451428464166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22451428464166 is a deficient number, since it is larger than the sum of its proper divisors (15950062039994).

22451428464166 is a wasteful number, since it uses less digits than its factorization.

22451428464166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535368.

The product of its digits is 17694720, while the sum is 55.

The spelling of 22451428464166 in words is "twenty-two trillion, four hundred fifty-one billion, four hundred twenty-eight million, four hundred sixty-four thousand, one hundred sixty-six".