1224640226 has 8 divisors (see below), whose sum is σ = 1868095440. Its totient is φ = 601941748.

The previous prime is 1224640223. The next prime is 1224640253. The reversal of 1224640226 is 6220464221.

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

It is not an unprimeable number, because it can be changed into a prime (1224640223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5189036 + ... + 5189271.

It is an arithmetic number, because the mean of its divisors is an integer number (233511930).

Almost surely, 2^1224640226 is an apocalyptic number.

1224640226 is a deficient number, since it is larger than the sum of its proper divisors (643455214).

1224640226 is a wasteful number, since it uses less digits than its factorization.

1224640226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378368.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1224640226 is about 34994.8599940048. The cubic root of 1224640226 is about 1069.8827210091.

The spelling of 1224640226 in words is "one billion, two hundred twenty-four million, six hundred forty thousand, two hundred twenty-six".