224172087 has 8 divisors (see below), whose sum is σ = 299444736. Its totient is φ = 149173752.

The previous prime is 224172083. The next prime is 224172101. The reversal of 224172087 is 780271422.

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

It is not a de Polignac number, because 224172087 - 2² = 224172083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224172083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66663 + ... + 69944.

It is an arithmetic number, because the mean of its divisors is an integer number (37430592).

Almost surely, 2^224172087 is an apocalyptic number.

224172087 is a deficient number, since it is larger than the sum of its proper divisors (75272649).

224172087 is a wasteful number, since it uses less digits than its factorization.

224172087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137157.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 224172087 is about 14972.3774665215. The cubic root of 224172087 is about 607.4732776269.

The spelling of 224172087 in words is "two hundred twenty-four million, one hundred seventy-two thousand, eighty-seven".