1133222151 has 4 divisors (see below), whose sum is σ = 1510962872. Its totient is φ = 755481432.

The previous prime is 1133222147. The next prime is 1133222173. The reversal of 1133222151 is 1512223311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1512223311 = 3 ⋅504074437.

It is not a de Polignac number, because 1133222151 - 2² = 1133222147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133222851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188870356 + ... + 188870361.

It is an arithmetic number, because the mean of its divisors is an integer number (377740718).

Almost surely, 2^1133222151 is an apocalyptic number.

1133222151 is a deficient number, since it is larger than the sum of its proper divisors (377740721).

1133222151 is an equidigital number, since it uses as much as digits as its factorization.

1133222151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377740720.

The product of its digits is 360, while the sum is 21.

The square root of 1133222151 is about 33663.3651169933. The cubic root of 1133222151 is about 1042.5695064906.

Adding to 1133222151 its reverse (1512223311), we get a palindrome (2645445462).

The spelling of 1133222151 in words is "one billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred fifty-one".