87227212 has 6 divisors (see below), whose sum is σ = 152647628. Its totient is φ = 43613604.

The previous prime is 87227207. The next prime is 87227219. The reversal of 87227212 is 21272278.

It is a super-3 number, since 3×87227212³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (87227219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10903398 + ... + 10903405.

Almost surely, 2^87227212 is an apocalyptic number.

It is an amenable number.

87227212 is a deficient number, since it is larger than the sum of its proper divisors (65420416).

87227212 is a wasteful number, since it uses less digits than its factorization.

87227212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21806807 (or 21806805 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 87227212 is about 9339.5509528028. The cubic root of 87227212 is about 443.4901690694.

The spelling of 87227212 in words is "eighty-seven million, two hundred twenty-seven thousand, two hundred twelve".