224202164 has 6 divisors (see below), whose sum is σ = 392353794. Its totient is φ = 112101080.

The previous prime is 224202163. The next prime is 224202169. The reversal of 224202164 is 461202422.

It can be written as a sum of positive squares in only one way, i.e., 194825764 + 29376400 = 13958^2 + 5420^2 .

It is a super-2 number, since 2×224202164² = 100533220684565792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224202163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28025267 + ... + 28025274.

It is an arithmetic number, because the mean of its divisors is an integer number (65392299).

Almost surely, 2^224202164 is an apocalyptic number.

It is an amenable number.

224202164 is a deficient number, since it is larger than the sum of its proper divisors (168151630).

224202164 is a wasteful number, since it uses less digits than its factorization.

224202164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56050545 (or 56050543 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 224202164 is about 14973.3818491348. The cubic root of 224202164 is about 607.5004444893.

Adding to 224202164 its reverse (461202422), we get a palindrome (685404586).

The spelling of 224202164 in words is "two hundred twenty-four million, two hundred two thousand, one hundred sixty-four".