2272351986 has 24 divisors (see below), whose sum is σ = 4939478544. Its totient is φ = 754981560.

The previous prime is 2272351981. The next prime is 2272351993. The reversal of 2272351986 is 6891532722.

2272351986 is a `hidden beast` number, since 227 + 235 + 198 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (2272351981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200080 + ... + 211131.

It is an arithmetic number, because the mean of its divisors is an integer number (205811606).

Almost surely, 2^2272351986 is an apocalyptic number.

2272351986 is an abundant number, since it is smaller than the sum of its proper divisors (2667126558).

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

2272351986 is a wasteful number, since it uses less digits than its factorization.

2272351986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411526 (or 411523 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2272351986 is about 47669.1932593787. The cubic root of 2272351986 is about 1314.6955756536.

The spelling of 2272351986 in words is "two billion, two hundred seventy-two million, three hundred fifty-one thousand, nine hundred eighty-six".