2272105620 has 96 divisors (see below), whose sum is σ = 7259884800. Its totient is φ = 589514112.

The previous prime is 2272105609. The next prime is 2272105621. The reversal of 2272105620 is 265012722.

2272105620 is a `hidden beast` number, since 2 + 27 + 2 + 10 + 5 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272105621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36880 + ... + 76839.

It is an arithmetic number, because the mean of its divisors is an integer number (75623800).

Almost surely, 2^2272105620 is an apocalyptic number.

2272105620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272105620 is an abundant number, since it is smaller than the sum of its proper divisors (4987779180).

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

2272105620 is a wasteful number, since it uses less digits than its factorization.

2272105620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113774 (or 113766 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2272105620 is about 47666.6090675643. The cubic root of 2272105620 is about 1314.6480613016.

The spelling of 2272105620 in words is "two billion, two hundred seventy-two million, one hundred five thousand, six hundred twenty".