1144455422 has 8 divisors (see below), whose sum is σ = 1872745272. Its totient is φ = 520207000.

The previous prime is 1144455397. The next prime is 1144455457. The reversal of 1144455422 is 2245544411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26010329 + ... + 26010372.

It is an arithmetic number, because the mean of its divisors is an integer number (234093159).

Almost surely, 2^1144455422 is an apocalyptic number.

1144455422 is a deficient number, since it is larger than the sum of its proper divisors (728289850).

1144455422 is a wasteful number, since it uses less digits than its factorization.

1144455422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52020714.

The product of its digits is 25600, while the sum is 32.

The square root of 1144455422 is about 33829.8007975217. The cubic root of 1144455422 is about 1046.0030727913.

Adding to 1144455422 its reverse (2245544411), we get a palindrome (3389999833).

It can be divided in two parts, 11444 and 55422, that added together give a palindrome (66866).

The spelling of 1144455422 in words is "one billion, one hundred forty-four million, four hundred fifty-five thousand, four hundred twenty-two".