22464666446406 has 16 divisors (see below), whose sum is σ = 44938773868800. Its totient is φ = 7486648652808.

The previous prime is 22464666446401. The next prime is 22464666446477. The reversal of 22464666446406 is 60464466646422.

It is a super-2 number, since 2×22464666446406² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22464666446406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464666446401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393343066 + ... + 393400173.

It is an arithmetic number, because the mean of its divisors is an integer number (2808673366800).

Almost surely, 2^{22464666446406} is an apocalyptic number.

22464666446406 is an abundant number, since it is smaller than the sum of its proper divisors (22474107422394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22464666446406 is a wasteful number, since it uses less digits than its factorization.

22464666446406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786748003.

The product of its (nonzero) digits is 191102976, while the sum is 60.

The spelling of 22464666446406 in words is "twenty-two trillion, four hundred sixty-four billion, six hundred sixty-six million, four hundred forty-six thousand, four hundred six".