1922223921880 has 32 divisors (see below), whose sum is σ = 4377112311600. Its totient is φ = 759625837696.

The previous prime is 1922223921833. The next prime is 1922223921883. The reversal of 1922223921880 is 881293222291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922223921883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289488235 + ... + 289494874.

Almost surely, 2^{1922223921880} is an apocalyptic number.

1922223921880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1922223921880 is an abundant number, since it is smaller than the sum of its proper divisors (2454888389720).

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

1922223921880 is a wasteful number, since it uses less digits than its factorization.

1922223921880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578983203 (or 578983199 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 1922223921880 in words is "one trillion, nine hundred twenty-two billion, two hundred twenty-three million, nine hundred twenty-one thousand, eight hundred eighty".