22412889642 has 128 divisors (see below), whose sum is σ = 53843263488. Its totient is φ = 6130252800.

The previous prime is 22412889637. The next prime is 22412889689. The reversal of 22412889642 is 24698821422.

It is a junction number, because it is equal to n+sod(n) for n = 22412889591 and 22412889600.

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 63 ways as a sum of consecutive naturals, for example, 7735138 + ... + 7738034.

It is an arithmetic number, because the mean of its divisors is an integer number (420650496).

Almost surely, 2^22412889642 is an apocalyptic number.

22412889642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22412889642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26921631744).

22412889642 is an abundant number, since it is smaller than the sum of its proper divisors (31430373846).

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

22412889642 is a wasteful number, since it uses less digits than its factorization.

22412889642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124.

The product of its digits is 884736, while the sum is 48.

The spelling of 22412889642 in words is "twenty-two billion, four hundred twelve million, eight hundred eighty-nine thousand, six hundred forty-two".