1862272272 has 40 divisors (see below), whose sum is σ = 5498138176. Its totient is φ = 532077696.

The previous prime is 1862272253. The next prime is 1862272273. The reversal of 1862272272 is 2722722681.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1862272272.

It is not an unprimeable number, because it can be changed into a prime (1862272273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770903 + ... + 2771574.

Almost surely, 2^1862272272 is an apocalyptic number.

1862272272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1862272272 is an abundant number, since it is smaller than the sum of its proper divisors (3635865904).

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

1862272272 is a wasteful number, since it uses less digits than its factorization.

1862272272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542495 (or 5542489 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 1862272272 is about 43154.0527876583. The cubic root of 1862272272 is about 1230.3095420293.

The spelling of 1862272272 in words is "one billion, eight hundred sixty-two million, two hundred seventy-two thousand, two hundred seventy-two".