19222425880 has 192 divisors, whose sum is σ = 51225488640. Its totient is φ = 6358738176.

The previous prime is 19222425877. The next prime is 19222425907. The reversal of 19222425880 is 8852422291.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 47 ways as a sum of consecutive naturals, for example, 55395867 + ... + 55396213.

It is an arithmetic number, because the mean of its divisors is an integer number (266799420).

Almost surely, 2^19222425880 is an apocalyptic number.

19222425880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19222425880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25612744320).

19222425880 is an abundant number, since it is smaller than the sum of its proper divisors (32003062760).

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

19222425880 is a wasteful number, since it uses less digits than its factorization.

19222425880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 19222425880 in words is "nineteen billion, two hundred twenty-two million, four hundred twenty-five thousand, eight hundred eighty".