222554461 has 2 divisors, whose sum is σ = 222554462. Its totient is φ = 222554460.

The previous prime is 222554411. The next prime is 222554471. The reversal of 222554461 is 164455222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155002500 + 67551961 = 12450^2 + 8219^2 .

It is a cyclic number.

It is not a de Polignac number, because 222554461 - 2⁷ = 222554333 is a prime.

It is a super-2 number, since 2×222554461² = 99060976222001042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222554411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111277230 + 111277231.

It is an arithmetic number, because the mean of its divisors is an integer number (111277231).

Almost surely, 2^222554461 is an apocalyptic number.

It is an amenable number.

222554461 is a deficient number, since it is larger than the sum of its proper divisors (1).

222554461 is an equidigital number, since it uses as much as digits as its factorization.

222554461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 222554461 is about 14918.2593153491. The cubic root of 222554461 is about 606.0085729307.

The spelling of 222554461 in words is "two hundred twenty-two million, five hundred fifty-four thousand, four hundred sixty-one".