87726222 has 24 divisors (see below), whose sum is σ = 201254976. Its totient is φ = 27521856.

The previous prime is 87726203. The next prime is 87726227. The reversal of 87726222 is 22262778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87726227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143038 + ... + 143649.

It is an arithmetic number, because the mean of its divisors is an integer number (8385624).

Almost surely, 2^87726222 is an apocalyptic number.

87726222 is an abundant number, since it is smaller than the sum of its proper divisors (113528754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87726222 is a wasteful number, since it uses less digits than its factorization.

87726222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286712 (or 286709 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 87726222 is about 9366.2277358604. The cubic root of 87726222 is about 444.3342686114.

The spelling of 87726222 in words is "eighty-seven million, seven hundred twenty-six thousand, two hundred twenty-two".