1922774112 has 180 divisors, whose sum is σ = 6578496540. Its totient is φ = 549327744.

The previous prime is 1922774093. The next prime is 1922774123. The reversal of 1922774112 is 2114772291.

1922774112 is a `hidden beast` number, since 19 + 227 + 7 + 411 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 119439 + ... + 134577.

It is an arithmetic number, because the mean of its divisors is an integer number (36547203).

Almost surely, 2^1922774112 is an apocalyptic number.

1922774112 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 1922774112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3289248270).

1922774112 is an abundant number, since it is smaller than the sum of its proper divisors (4655722428).

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

1922774112 is a wasteful number, since it uses less digits than its factorization.

1922774112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15175 (or 15151 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 1922774112 is about 43849.4482519450. The cubic root of 1922774112 is about 1243.4913123028.

It can be divided in two parts, 19227 and 74112, that added together give a palindrome (93339).

The spelling of 1922774112 in words is "one billion, nine hundred twenty-two million, seven hundred seventy-four thousand, one hundred twelve".