22405444450422 has 64 divisors (see below), whose sum is σ = 51203979104256. Its totient is φ = 6469638332960.

The previous prime is 22405444450357. The next prime is 22405444450427.

22405444450422 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22405444450427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27661308 + ... + 28459775.

It is an arithmetic number, because the mean of its divisors is an integer number (800062173504).

Almost surely, 2^{22405444450422} is an apocalyptic number.

22405444450422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22405444450422 is an abundant number, since it is smaller than the sum of its proper divisors (28798534653834).

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

22405444450422 is a wasteful number, since it uses less digits than its factorization.

22405444450422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56121385.

The product of its (nonzero) digits is 1638400, while the sum is 42.

It can be divided in two parts, 2240544 and 4450422, that added together give a palindrome (6690966).

The spelling of 22405444450422 in words is "twenty-two trillion, four hundred five billion, four hundred forty-four million, four hundred fifty thousand, four hundred twenty-two".