222562216 has 8 divisors (see below), whose sum is σ = 417304170. Its totient is φ = 111281104.

The previous prime is 222562189. The next prime is 222562217. The reversal of 222562216 is 612265222.

It can be written as a sum of positive squares in only one way, i.e., 218744100 + 3818116 = 14790^2 + 1954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×222562216⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (222562217) 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 as a sum of consecutive naturals, namely, 13910131 + ... + 13910146.

Almost surely, 2^222562216 is an apocalyptic number.

It is an amenable number.

222562216 is a deficient number, since it is larger than the sum of its proper divisors (194741954).

222562216 is a wasteful number, since it uses less digits than its factorization.

222562216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27820283 (or 27820279 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 222562216 is about 14918.5192294678. The cubic root of 222562216 is about 606.0156117201.

It can be divided in two parts, 222562 and 216, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 222562216 in words is "two hundred twenty-two million, five hundred sixty-two thousand, two hundred sixteen".