1923022272 has 112 divisors (see below), whose sum is σ = 5328391680. Its totient is φ = 610925568.

The previous prime is 1923022253. The next prime is 1923022331. The reversal of 1923022272 is 2722203291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584738 + ... + 1585950.

Almost surely, 2^1923022272 is an apocalyptic number.

1923022272 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 1923022272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664195840).

1923022272 is an abundant number, since it is smaller than the sum of its proper divisors (3405369408).

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

1923022272 is a wasteful number, since it uses less digits than its factorization.

1923022272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1923022272 is about 43852.2778427757. The cubic root of 1923022272 is about 1243.5448064578.

The spelling of 1923022272 in words is "one billion, nine hundred twenty-three million, twenty-two thousand, two hundred seventy-two".