2227140736 has 16 divisors (see below), whose sum is σ = 4436882190. Its totient is φ = 1113570304.

The previous prime is 2227140701. The next prime is 2227140739. The reversal of 2227140736 is 6370417222.

It can be written as a sum of positive squares in only one way, i.e., 1982030400 + 245110336 = 44520^2 + 15656^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2227140739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8699641 + ... + 8699896.

Almost surely, 2^2227140736 is an apocalyptic number.

It is an amenable number.

2227140736 is a deficient number, since it is larger than the sum of its proper divisors (2209741454).

2227140736 is an equidigital number, since it uses as much as digits as its factorization.

2227140736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17399551 (or 17399539 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2227140736 is about 47192.5919610271. The cubic root of 2227140736 is about 1305.9179374763.

Adding to 2227140736 its reverse (6370417222), we get a palindrome (8597557958).

The spelling of 2227140736 in words is "two billion, two hundred twenty-seven million, one hundred forty thousand, seven hundred thirty-six".