1922725756 has 48 divisors (see below), whose sum is σ = 4019258880. Its totient is φ = 786899520.

The previous prime is 1922725751. The next prime is 1922725787. The reversal of 1922725756 is 6575272291.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922725751) 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 15 ways as a sum of consecutive naturals, for example, 454491 + ... + 458701.

It is an arithmetic number, because the mean of its divisors is an integer number (83734560).

Almost surely, 2^1922725756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922725756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2009629440).

1922725756 is an abundant number, since it is smaller than the sum of its proper divisors (2096533124).

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

1922725756 is a wasteful number, since it uses less digits than its factorization.

1922725756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954 (or 4952 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The square root of 1922725756 is about 43848.8968618368. The cubic root of 1922725756 is about 1243.4808879946.

The spelling of 1922725756 in words is "one billion, nine hundred twenty-two million, seven hundred twenty-five thousand, seven hundred fifty-six".