1224340404 has 24 divisors (see below), whose sum is σ = 3264907968. Its totient is φ = 349811520.

The previous prime is 1224340399. The next prime is 1224340409. The reversal of 1224340404 is 4040434221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1224340399) and next prime (1224340409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224340409) 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, 7287657 + ... + 7287824.

It is an arithmetic number, because the mean of its divisors is an integer number (136037832).

Almost surely, 2^1224340404 is an apocalyptic number.

1224340404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1224340404 is an abundant number, since it is smaller than the sum of its proper divisors (2040567564).

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

1224340404 is a wasteful number, since it uses less digits than its factorization.

1224340404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575495 (or 14575493 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1224340404 is about 34990.5759312418. The cubic root of 1224340404 is about 1069.7954026954.

Adding to 1224340404 its reverse (4040434221), we get a palindrome (5264774625).

The spelling of 1224340404 in words is "one billion, two hundred twenty-four million, three hundred forty thousand, four hundred four".