1144223004 has 24 divisors (see below), whose sum is σ = 2670474240. Its totient is φ = 381319024.

The previous prime is 1144222993. The next prime is 1144223009. The reversal of 1144223004 is 4003224411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144223009) 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, 61957 + ... + 78275.

It is an arithmetic number, because the mean of its divisors is an integer number (111269760).

Almost surely, 2^1144223004 is an apocalyptic number.

It is an amenable number.

1144223004 is an abundant number, since it is smaller than the sum of its proper divisors (1526251236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144223004 is a wasteful number, since it uses less digits than its factorization.

1144223004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22169 (or 22167 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1144223004 is about 33826.3655156743. The cubic root of 1144223004 is about 1045.9322599557.

Adding to 1144223004 its reverse (4003224411), we get a palindrome (5147447415).

The spelling of 1144223004 in words is "one billion, one hundred forty-four million, two hundred twenty-three thousand, four".