224006636 has 18 divisors (see below), whose sum is σ = 456013908. Its totient is φ = 96002760.

The previous prime is 224006623. The next prime is 224006639. The reversal of 224006636 is 636600422.

224006636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 224006599 and 224006608.

It is not an unprimeable number, because it can be changed into a prime (224006639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571250 + ... + 571641.

It is an arithmetic number, because the mean of its divisors is an integer number (25334106).

Almost surely, 2^224006636 is an apocalyptic number.

It is an amenable number.

224006636 is an abundant number, since it is smaller than the sum of its proper divisors (232007272).

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

224006636 is a wasteful number, since it uses less digits than its factorization.

224006636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142909 (or 1142900 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 224006636 is about 14966.8512386540. The cubic root of 224006636 is about 607.3237915791.

The spelling of 224006636 in words is "two hundred twenty-four million, six thousand, six hundred thirty-six".