222273478 has 16 divisors (see below), whose sum is σ = 381911040. Its totient is φ = 95042376.

The previous prime is 222273461. The next prime is 222273479. The reversal of 222273478 is 874372222.

It is a happy number.

222273478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222273479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11718 + ... + 24121.

It is an arithmetic number, because the mean of its divisors is an integer number (23869440).

Almost surely, 2^222273478 is an apocalyptic number.

222273478 is a deficient number, since it is larger than the sum of its proper divisors (159637562).

222273478 is a wasteful number, since it uses less digits than its factorization.

222273478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36291.

The product of its digits is 75264, while the sum is 37.

The square root of 222273478 is about 14908.8389219282. The cubic root of 222273478 is about 605.7534296621.

The spelling of 222273478 in words is "two hundred twenty-two million, two hundred seventy-three thousand, four hundred seventy-eight".