1992262272 has 512 divisors, whose sum is σ = 7304048640. Its totient is φ = 464486400.

The previous prime is 1992262267. The next prime is 1992262297. The reversal of 1992262272 is 2722622991.

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

Its product of digits (108864) is a multiple of the sum of its prime factors (192).

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, 27291228 + ... + 27291300.

It is an arithmetic number, because the mean of its divisors is an integer number (14265720).

Almost surely, 2^1992262272 is an apocalyptic number.

1992262272 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 1992262272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3652024320).

1992262272 is an abundant number, since it is smaller than the sum of its proper divisors (5311786368).

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

1992262272 is a wasteful number, since it uses less digits than its factorization.

1992262272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 180 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 1992262272 is about 44634.7652844730. The cubic root of 1992262272 is about 1258.2941289113.

The spelling of 1992262272 in words is "one billion, nine hundred ninety-two million, two hundred sixty-two thousand, two hundred seventy-two".