1942222571520 has 768 divisors, whose sum is σ = 8202684672000. Its totient is φ = 379830927360.

The previous prime is 1942222571519. The next prime is 1942222571561. The reversal of 1942222571520 is 251752222491.

It is a tau number, because it is divible by the number of its divisors (768).

It is a super-2 number, since 2×1942222571520² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40188331 + ... + 40236629.

It is an arithmetic number, because the mean of its divisors is an integer number (10680579000).

Almost surely, 2^{1942222571520} is an apocalyptic number.

1942222571520 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 1942222571520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4101342336000).

1942222571520 is an abundant number, since it is smaller than the sum of its proper divisors (6260462100480).

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

1942222571520 is a wasteful number, since it uses less digits than its factorization.

1942222571520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48364 (or 48344 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 1942222571520 in words is "one trillion, nine hundred forty-two billion, two hundred twenty-two million, five hundred seventy-one thousand, five hundred twenty".