224621146 has 8 divisors (see below), whose sum is σ = 341547444. Its totient is φ = 110772000.

The previous prime is 224621129. The next prime is 224621149. The reversal of 224621146 is 641126422.

It can be written as a sum of positive squares in 2 ways, for example, as 217887121 + 6734025 = 14761^2 + 2595^2 .

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

It is not an unprimeable number, because it can be changed into a prime (224621149) 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, 769105 + ... + 769396.

Almost surely, 2^224621146 is an apocalyptic number.

224621146 is a deficient number, since it is larger than the sum of its proper divisors (116926298).

224621146 is a wasteful number, since it uses less digits than its factorization.

224621146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538576.

The product of its digits is 4608, while the sum is 28.

The square root of 224621146 is about 14987.3662129141. The cubic root of 224621146 is about 607.8786349543.

Adding to 224621146 its reverse (641126422), we get a palindrome (865747568).

The spelling of 224621146 in words is "two hundred twenty-four million, six hundred twenty-one thousand, one hundred forty-six".