2227780536 has 64 divisors (see below), whose sum is σ = 5633971200. Its totient is φ = 734028288.

The previous prime is 2227780447. The next prime is 2227780537. The reversal of 2227780536 is 6350877222.

It is a super-2 number, since 2×2227780536² = 9926012233160894592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227780537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265625 + ... + 1267383.

It is an arithmetic number, because the mean of its divisors is an integer number (88030800).

Almost surely, 2^2227780536 is an apocalyptic number.

It is an amenable number.

2227780536 is an abundant number, since it is smaller than the sum of its proper divisors (3406190664).

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

2227780536 is a wasteful number, since it uses less digits than its factorization.

2227780536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 2227780536 is about 47199.3700805424. The cubic root of 2227780536 is about 1306.0429776660.

The spelling of 2227780536 in words is "two billion, two hundred twenty-seven million, seven hundred eighty thousand, five hundred thirty-six".