1922543532 has 384 divisors, whose sum is σ = 6692474880. Its totient is φ = 462827520.

The previous prime is 1922543509. The next prime is 1922543537. The reversal of 1922543532 is 2353452291.

1922543532 is a `hidden beast` number, since 192 + 2 + 5 + 435 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1922543537) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 6181657 + ... + 6181967.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 2^1922543532 is an apocalyptic number.

1922543532 is a gapful number since it is divisible by the number (12) 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 1922543532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3346237440).

1922543532 is an abundant number, since it is smaller than the sum of its proper divisors (4769931348).

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

1922543532 is a wasteful number, since it uses less digits than its factorization.

1922543532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 390 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1922543532 is about 43846.8189496114. The cubic root of 1922543532 is about 1243.4416036228.

The spelling of 1922543532 in words is "one billion, nine hundred twenty-two million, five hundred forty-three thousand, five hundred thirty-two".