224340146 has 8 divisors (see below), whose sum is σ = 336768924. Its totient is φ = 112083840.

The previous prime is 224340113. The next prime is 224340157. The reversal of 224340146 is 641043422.

It can be written as a sum of positive squares in 2 ways, for example, as 222337921 + 2002225 = 14911^2 + 1415^2 .

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

It is a super-2 number, since 2×224340146² = 100657002214602632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39815 + ... + 45098.

Almost surely, 2^224340146 is an apocalyptic number.

224340146 is a deficient number, since it is larger than the sum of its proper divisors (112428778).

224340146 is a wasteful number, since it uses less digits than its factorization.

224340146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86236.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 224340146 is about 14977.9887167804. The cubic root of 224340146 is about 607.6250447378.

Adding to 224340146 its reverse (641043422), we get a palindrome (865383568).

The spelling of 224340146 in words is "two hundred twenty-four million, three hundred forty thousand, one hundred forty-six".