1224111404 has 24 divisors (see below), whose sum is σ = 2315891760. Its totient is φ = 564169536.

The previous prime is 1224111389. The next prime is 1224111439. The reversal of 1224111404 is 4041114221.

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, 214847 + ... + 220470.

It is an arithmetic number, because the mean of its divisors is an integer number (96495490).

Almost surely, 2^1224111404 is an apocalyptic number.

It is an amenable number.

1224111404 is a deficient number, since it is larger than the sum of its proper divisors (1091780356).

1224111404 is a wasteful number, since it uses less digits than its factorization.

1224111404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435377 (or 435375 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1224111404 is about 34987.3034685441. The cubic root of 1224111404 is about 1069.7287005424.

Adding to 1224111404 its reverse (4041114221), we get a palindrome (5265225625).

The spelling of 1224111404 in words is "one billion, two hundred twenty-four million, one hundred eleven thousand, four hundred four".