224148531 has 8 divisors (see below), whose sum is σ = 299168464. Its totient is φ = 149280480.

The previous prime is 224148521. The next prime is 224148541. The reversal of 224148531 is 135841422.

It is an interprime number because it is at equal distance from previous prime (224148521) and next prime (224148541).

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

It is not a de Polignac number, because 224148531 - 2⁷ = 224148403 is a prime.

It is a super-2 number, since 2×224148531² = 100485127898915922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224148521) 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, 34480 + ... + 40461.

It is an arithmetic number, because the mean of its divisors is an integer number (37396058).

Almost surely, 2^224148531 is an apocalyptic number.

224148531 is a deficient number, since it is larger than the sum of its proper divisors (75019933).

224148531 is an equidigital number, since it uses as much as digits as its factorization.

224148531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75941.

The product of its digits is 7680, while the sum is 30.

The square root of 224148531 is about 14971.5907972400. The cubic root of 224148531 is about 607.4519991202.

Adding to 224148531 its reverse (135841422), we get a palindrome (359989953).

The spelling of 224148531 in words is "two hundred twenty-four million, one hundred forty-eight thousand, five hundred thirty-one".