224045557 has 2 divisors, whose sum is σ = 224045558. Its totient is φ = 224045556.

The previous prime is 224045551. The next prime is 224045581. The reversal of 224045557 is 755540422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180472356 + 43573201 = 13434^2 + 6601^2 .

It is a cyclic number.

It is not a de Polignac number, because 224045557 - 2⁷ = 224045429 is a prime.

It is a super-2 number, since 2×224045557² = 100392823222880498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224045551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112022778 + 112022779.

It is an arithmetic number, because the mean of its divisors is an integer number (112022779).

Almost surely, 2^224045557 is an apocalyptic number.

It is an amenable number.

224045557 is a deficient number, since it is larger than the sum of its proper divisors (1).

224045557 is an equidigital number, since it uses as much as digits as its factorization.

224045557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 224045557 is about 14968.1514222699. The cubic root of 224045557 is about 607.3589635735.

Adding to 224045557 its reverse (755540422), we get a palindrome (979585979).

The spelling of 224045557 in words is "two hundred twenty-four million, forty-five thousand, five hundred fifty-seven".