1922845368888 has 64 divisors (see below), whose sum is σ = 5341460544000. Its totient is φ = 640921647456.

The previous prime is 1922845368883. The next prime is 1922845368893. The reversal of 1922845368888 is 8888635482291.

It is a happy number.

1922845368888 is a `hidden beast` number, since 1 + 9 + 2 + 2 + 8 + 4 + 536 + 8 + 8 + 88 = 666.

It is a Cunningham number, because it is equal to 1386667²-1.

It is an interprime number because it is at equal distance from previous prime (1922845368883) and next prime (1922845368893).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922845368883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5373331 + ... + 5719997.

It is an arithmetic number, because the mean of its divisors is an integer number (83460321000).

Almost surely, 2^{1922845368888} is an apocalyptic number.

1922845368888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1922845368888 is an abundant number, since it is smaller than the sum of its proper divisors (3418615175112).

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

1922845368888 is a wasteful number, since it uses less digits than its factorization.

1922845368888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372361 (or 372351 counting only the distinct ones).

The product of its digits is 424673280, while the sum is 72.

The spelling of 1922845368888 in words is "one trillion, nine hundred twenty-two billion, eight hundred forty-five million, three hundred sixty-eight thousand, eight hundred eighty-eight".