19225014828 has 12 divisors (see below), whose sum is σ = 44858367960. Its totient is φ = 6408338272.

The previous prime is 19225014827. The next prime is 19225014833. The reversal of 19225014828 is 82841052291.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 19225014828.

It is not an unprimeable number, because it can be changed into a prime (19225014821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801042273 + ... + 801042296.

It is an arithmetic number, because the mean of its divisors is an integer number (3738197330).

Almost surely, 2^19225014828 is an apocalyptic number.

It is an amenable number.

19225014828 is an abundant number, since it is smaller than the sum of its proper divisors (25633353132).

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

19225014828 is a wasteful number, since it uses less digits than its factorization.

19225014828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602084576 (or 1602084574 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 19225014828 in words is "nineteen billion, two hundred twenty-five million, fourteen thousand, eight hundred twenty-eight".