1134222021 has 20 divisors (see below), whose sum is σ = 1711119564. Its totient is φ = 748656000.

The previous prime is 1134222007. The next prime is 1134222053. The reversal of 1134222021 is 1202224311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 646430625 + 487791396 = 25425^2 + 22086^2 .

It is not a de Polignac number, because 1134222021 - 2⁵ = 1134221989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1134221985 and 1134222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134221021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61140 + ... + 77501.

Almost surely, 2^1134222021 is an apocalyptic number.

It is an amenable number.

1134222021 is a deficient number, since it is larger than the sum of its proper divisors (576897543).

1134222021 is a wasteful number, since it uses less digits than its factorization.

1134222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138754 (or 138745 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1134222021 is about 33678.2128534161. The cubic root of 1134222021 is about 1042.8760446609.

Adding to 1134222021 its reverse (1202224311), we get a palindrome (2336446332).

The spelling of 1134222021 in words is "one billion, one hundred thirty-four million, two hundred twenty-two thousand, twenty-one".