224245636 has 6 divisors (see below), whose sum is σ = 392429870. Its totient is φ = 112122816.

The previous prime is 224245631. The next prime is 224245639. The reversal of 224245636 is 636542422.

It can be written as a sum of positive squares in only one way, i.e., 190605636 + 33640000 = 13806^2 + 5800^2 .

It is a super-2 number, since 2×224245636² = 100572210530088992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (224245631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030701 + ... + 28030708.

Almost surely, 2^224245636 is an apocalyptic number.

It is an amenable number.

224245636 is a deficient number, since it is larger than the sum of its proper divisors (168184234).

224245636 is a wasteful number, since it uses less digits than its factorization.

224245636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56061413 (or 56061411 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 224245636 is about 14974.8334214441. The cubic root of 224245636 is about 607.5397060084.

The spelling of 224245636 in words is "two hundred twenty-four million, two hundred forty-five thousand, six hundred thirty-six".