222555454 has 16 divisors (see below), whose sum is σ = 376740720. Its totient is φ = 97672960.

The previous prime is 222555451. The next prime is 222555457. The reversal of 222555454 is 454555222.

It is an interprime number because it is at equal distance from previous prime (222555451) and next prime (222555457).

It is a super-2 number, since 2×222555454² = 99061860210292232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222555451) 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 in 7 ways as a sum of consecutive naturals, for example, 173779 + ... + 175054.

It is an arithmetic number, because the mean of its divisors is an integer number (23546295).

Almost surely, 2^222555454 is an apocalyptic number.

222555454 is a deficient number, since it is larger than the sum of its proper divisors (154185266).

222555454 is a wasteful number, since it uses less digits than its factorization.

222555454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348875.

The product of its digits is 80000, while the sum is 34.

The square root of 222555454 is about 14918.2925966747. The cubic root of 222555454 is about 606.0094742317.

The spelling of 222555454 in words is "two hundred twenty-two million, five hundred fifty-five thousand, four hundred fifty-four".