1122151444 has 24 divisors (see below), whose sum is σ = 2003601600. Its totient is φ = 549756480.

The previous prime is 1122151411. The next prime is 1122151489. The reversal of 1122151444 is 4441512211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65752 + ... + 81040.

It is an arithmetic number, because the mean of its divisors is an integer number (83483400).

Almost surely, 2^1122151444 is an apocalyptic number.

It is an amenable number.

1122151444 is a deficient number, since it is larger than the sum of its proper divisors (881450156).

1122151444 is a wasteful number, since it uses less digits than its factorization.

1122151444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15663 (or 15661 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 1122151444 is about 33498.5289826285. The cubic root of 1122151444 is about 1039.1633569632.

Adding to 1122151444 its reverse (4441512211), we get a palindrome (5563663655).

The spelling of 1122151444 in words is "one billion, one hundred twenty-two million, one hundred fifty-one thousand, four hundred forty-four".