2227311136 has 12 divisors (see below), whose sum is σ = 4385018862. Its totient is φ = 1113655552.

The previous prime is 2227311133. The next prime is 2227311137. The reversal of 2227311136 is 6311137222.

It can be written as a sum of positive squares in only one way, i.e., 1701067536 + 526243600 = 41244^2 + 22940^2 .

It is a super-2 number, since 2×2227311136² = 9921829793099220992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2227311131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34801705 + ... + 34801768.

Almost surely, 2^2227311136 is an apocalyptic number.

It is an amenable number.

2227311136 is a deficient number, since it is larger than the sum of its proper divisors (2157707726).

2227311136 is an equidigital number, since it uses as much as digits as its factorization.

2227311136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69603483 (or 69603475 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 2227311136 is about 47194.3972945942. The cubic root of 2227311136 is about 1305.9512421732.

Adding to 2227311136 its reverse (6311137222), we get a palindrome (8538448358).

It can be divided in two parts, 22273 and 11136, that multiplied together give a triangular number (248032128 = T₂₂₂₇₂).

The spelling of 2227311136 in words is "two billion, two hundred twenty-seven million, three hundred eleven thousand, one hundred thirty-six".