1151534222 has 4 divisors (see below), whose sum is σ = 1727301336. Its totient is φ = 575767110.

The previous prime is 1151534221. The next prime is 1151534227. The reversal of 1151534222 is 2224351511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2224351511 = 1579 ⋅1408709.

It is a junction number, because it is equal to n+sod(n) for n = 1151534191 and 1151534200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151534221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287883554 + ... + 287883557.

It is an arithmetic number, because the mean of its divisors is an integer number (431825334).

Almost surely, 2^1151534222 is an apocalyptic number.

1151534222 is a deficient number, since it is larger than the sum of its proper divisors (575767114).

1151534222 is an equidigital number, since it uses as much as digits as its factorization.

1151534222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575767113.

The product of its digits is 2400, while the sum is 26.

The square root of 1151534222 is about 33934.2632452806. The cubic root of 1151534222 is about 1048.1552558041.

Adding to 1151534222 its reverse (2224351511), we get a palindrome (3375885733).

The spelling of 1151534222 in words is "one billion, one hundred fifty-one million, five hundred thirty-four thousand, two hundred twenty-two".