222356673 has 24 divisors (see below), whose sum is σ = 400435776. Its totient is φ = 115509600.

The previous prime is 222356669. The next prime is 222356681. The reversal of 222356673 is 376653222.

It is a happy number.

222356673 is a `hidden beast` number, since 2 + 2 + 23 + 566 + 73 = 666.

It is not a de Polignac number, because 222356673 - 2² = 222356669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222356873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159738 + ... + 161123.

It is an arithmetic number, because the mean of its divisors is an integer number (16684824).

Almost surely, 2^222356673 is an apocalyptic number.

It is an amenable number.

222356673 is a deficient number, since it is larger than the sum of its proper divisors (178079103).

222356673 is a wasteful number, since it uses less digits than its factorization.

222356673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320885 (or 320882 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 222356673 is about 14911.6287842744. The cubic root of 222356673 is about 605.8289962881.

The spelling of 222356673 in words is "two hundred twenty-two million, three hundred fifty-six thousand, six hundred seventy-three".