224221035 has 16 divisors (see below), whose sum is σ = 359260704. Its totient is φ = 119415552.

The previous prime is 224221021. The next prime is 224221037. The reversal of 224221035 is 530122422.

224221035 = 145² + 146² + ... + 877².

It is not a de Polignac number, because 224221035 - 2⁵ = 224221003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224221037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799 + ... + 21191.

It is an arithmetic number, because the mean of its divisors is an integer number (22453794).

Almost surely, 2^224221035 is an apocalyptic number.

224221035 is a deficient number, since it is larger than the sum of its proper divisors (135039669).

224221035 is a wasteful number, since it uses less digits than its factorization.

224221035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21134.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 224221035 is about 14974.0119874401. The cubic root of 224221035 is about 607.5174883617.

Adding to 224221035 its reverse (530122422), we get a palindrome (754343457).

The spelling of 224221035 in words is "two hundred twenty-four million, two hundred twenty-one thousand, thirty-five".