100224247 has 4 divisors (see below), whose sum is σ = 100862776. Its totient is φ = 99585720.

The previous prime is 100224233. The next prime is 100224277. The reversal of 100224247 is 742422001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742422001 = 1019 ⋅728579.

It is a cyclic number.

It is not a de Polignac number, because 100224247 - 2⁷ = 100224119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100224277) 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, 319029 + ... + 319342.

It is an arithmetic number, because the mean of its divisors is an integer number (25215694).

Almost surely, 2^100224247 is an apocalyptic number.

100224247 is a deficient number, since it is larger than the sum of its proper divisors (638529).

100224247 is an equidigital number, since it uses as much as digits as its factorization.

100224247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638528.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 100224247 is about 10011.2060711984. The cubic root of 100224247 is about 464.5055784629.

Adding to 100224247 its reverse (742422001), we get a palindrome (842646248).

The spelling of 100224247 in words is "one hundred million, two hundred twenty-four thousand, two hundred forty-seven".