1151451022 has 4 divisors (see below), whose sum is σ = 1727176536. Its totient is φ = 575725510.

The previous prime is 1151451017. The next prime is 1151451097. The reversal of 1151451022 is 2201541511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2201541511 = 13 ⋅169349347.

It is a junction number, because it is equal to n+sod(n) for n = 1151450984 and 1151451002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287862754 + ... + 287862757.

It is an arithmetic number, because the mean of its divisors is an integer number (431794134).

Almost surely, 2^1151451022 is an apocalyptic number.

1151451022 is a deficient number, since it is larger than the sum of its proper divisors (575725514).

1151451022 is an equidigital number, since it uses as much as digits as its factorization.

1151451022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575725513.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1151451022 is about 33933.0373235288. The cubic root of 1151451022 is about 1048.1300116224.

Adding to 1151451022 its reverse (2201541511), we get a palindrome (3352992533).

The spelling of 1151451022 in words is "one billion, one hundred fifty-one million, four hundred fifty-one thousand, twenty-two".