222201272 has 16 divisors (see below), whose sum is σ = 417015240. Its totient is φ = 110997216.

The previous prime is 222201247. The next prime is 222201299. The reversal of 222201272 is 272102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383 + ... + 21350.

Almost surely, 2^222201272 is an apocalyptic number.

It is an amenable number.

222201272 is a deficient number, since it is larger than the sum of its proper divisors (194813968).

222201272 is a wasteful number, since it uses less digits than its factorization.

222201272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25862 (or 25858 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 222201272 is about 14906.4171416206. The cubic root of 222201272 is about 605.6878291391.

Adding to 222201272 its reverse (272102222), we get a palindrome (494303494).

The spelling of 222201272 in words is "two hundred twenty-two million, two hundred one thousand, two hundred seventy-two".