2273537780 has 24 divisors (see below), whose sum is σ = 4775627808. Its totient is φ = 909186848.

The previous prime is 2273537731. The next prime is 2273537837. The reversal of 2273537780 is 877353722.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 83867 + ... + 107613.

It is an arithmetic number, because the mean of its divisors is an integer number (198984492).

Almost surely, 2^2273537780 is an apocalyptic number.

2273537780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273537780 is an abundant number, since it is smaller than the sum of its proper divisors (2502090028).

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

2273537780 is a wasteful number, since it uses less digits than its factorization.

2273537780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28543 (or 28541 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 2273537780 is about 47681.6293765219. The cubic root of 2273537780 is about 1314.9242208400.

The spelling of 2273537780 in words is "two billion, two hundred seventy-three million, five hundred thirty-seven thousand, seven hundred eighty".