1224394704 has 100 divisors (see below), whose sum is σ = 3816402436. Its totient is φ = 376731648.

The previous prime is 1224394679. The next prime is 1224394739. The reversal of 1224394704 is 4074934221.

It can be written as a sum of positive squares in 2 ways, for example, as 357210000 + 867184704 = 18900^2 + 29448^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19489 + ... + 53184.

Almost surely, 2^1224394704 is an apocalyptic number.

It is an amenable number.

1224394704 is an abundant number, since it is smaller than the sum of its proper divisors (2592007732).

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

1224394704 is a wasteful number, since it uses less digits than its factorization.

1224394704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72706 (or 72691 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1224394704 is about 34991.3518458490. The cubic root of 1224394704 is about 1069.8112177501.

The spelling of 1224394704 in words is "one billion, two hundred twenty-four million, three hundred ninety-four thousand, seven hundred four".