2272749660 has 36 divisors (see below), whose sum is σ = 6894007848. Its totient is φ = 606066528.

The previous prime is 2272749641. The next prime is 2272749697. The reversal of 2272749660 is 669472722.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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, 6313014 + ... + 6313373.

It is an arithmetic number, because the mean of its divisors is an integer number (191500218).

Almost surely, 2^2272749660 is an apocalyptic number.

2272749660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272749660 is an abundant number, since it is smaller than the sum of its proper divisors (4621258188).

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

2272749660 is a wasteful number, since it uses less digits than its factorization.

2272749660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626402 (or 12626397 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 2272749660 is about 47673.3642613986. The cubic root of 2272749660 is about 1314.7722641472.

The spelling of 2272749660 in words is "two billion, two hundred seventy-two million, seven hundred forty-nine thousand, six hundred sixty".