1153222235 has 8 divisors (see below), whose sum is σ = 1509672816. Its totient is φ = 838707040.

The previous prime is 1153222199. The next prime is 1153222237. The reversal of 1153222235 is 5322223511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1153222235 - 2²² = 1149027931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153222237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10483784 + ... + 10483893.

It is an arithmetic number, because the mean of its divisors is an integer number (188709102).

Almost surely, 2^1153222235 is an apocalyptic number.

1153222235 is a deficient number, since it is larger than the sum of its proper divisors (356450581).

1153222235 is a wasteful number, since it uses less digits than its factorization.

1153222235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20967693.

The product of its digits is 3600, while the sum is 26.

The square root of 1153222235 is about 33959.1259457601. The cubic root of 1153222235 is about 1048.6671629738.

Adding to 1153222235 its reverse (5322223511), we get a palindrome (6475445746).

It can be divided in two parts, 11 and 53222235, that multiplied together give a palindrome (585444585).

The spelling of 1153222235 in words is "one billion, one hundred fifty-three million, two hundred twenty-two thousand, two hundred thirty-five".