1132226621 has 2 divisors, whose sum is σ = 1132226622. Its totient is φ = 1132226620.

The previous prime is 1132226617. The next prime is 1132226659. The reversal of 1132226621 is 1266222311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129900996 + 2325625 = 33614^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132226621 - 2² = 1132226617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132226021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566113310 + 566113311.

It is an arithmetic number, because the mean of its divisors is an integer number (566113311).

Almost surely, 2^1132226621 is an apocalyptic number.

It is an amenable number.

1132226621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132226621 is an equidigital number, since it uses as much as digits as its factorization.

1132226621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 1132226621 is about 33648.5753190235. The cubic root of 1132226621 is about 1042.2641196780.

Adding to 1132226621 its reverse (1266222311), we get a palindrome (2398448932).

The spelling of 1132226621 in words is "one billion, one hundred thirty-two million, two hundred twenty-six thousand, six hundred twenty-one".