1922394228048 has 160 divisors (see below), whose sum is σ = 6312453477120. Its totient is φ = 548716654080.

The previous prime is 1922394228037. The next prime is 1922394228071. The reversal of 1922394228048 is 8408224932291.

1922394228048 is a `hidden beast` number, since 1 + 9 + 22 + 394 + 228 + 0 + 4 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1922394227985 and 1922394228003.

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 31 ways as a sum of consecutive naturals, for example, 2776186 + ... + 3398822.

It is an arithmetic number, because the mean of its divisors is an integer number (39452834232).

Almost surely, 2^{1922394228048} is an apocalyptic number.

1922394228048 is a gapful number since it is divisible by the number (18) 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 1922394228048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3156226738560).

1922394228048 is an abundant number, since it is smaller than the sum of its proper divisors (4390059249072).

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

1922394228048 is a wasteful number, since it uses less digits than its factorization.

1922394228048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623682 (or 623670 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 1922394228048 in words is "one trillion, nine hundred twenty-two billion, three hundred ninety-four million, two hundred twenty-eight thousand, forty-eight".