222487106 has 4 divisors (see below), whose sum is σ = 333730662. Its totient is φ = 111243552.

The previous prime is 222487087. The next prime is 222487121. The reversal of 222487106 is 601784222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 192071881 + 30415225 = 13859^2 + 5515^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55621775 + ... + 55621778.

Almost surely, 2^222487106 is an apocalyptic number.

222487106 is a deficient number, since it is larger than the sum of its proper divisors (111243556).

222487106 is a wasteful number, since it uses less digits than its factorization.

222487106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111243555.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 222487106 is about 14916.0016760525. The cubic root of 222487106 is about 605.9474316028.

The spelling of 222487106 in words is "two hundred twenty-two million, four hundred eighty-seven thousand, one hundred six".