87408820222 has 16 divisors (see below), whose sum is σ = 135350146944. Its totient is φ = 42292260000.

The previous prime is 87408820217. The next prime is 87408820243. The reversal of 87408820222 is 22202880478.

It is a super-2 number, since 2×87408820222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767472 + ... + 1816252.

It is an arithmetic number, because the mean of its divisors is an integer number (8459384184).

Almost surely, 2^87408820222 is an apocalyptic number.

87408820222 is a deficient number, since it is larger than the sum of its proper divisors (47941326722).

87408820222 is a wasteful number, since it uses less digits than its factorization.

87408820222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77715.

The product of its (nonzero) digits is 229376, while the sum is 43.

The spelling of 87408820222 in words is "eighty-seven billion, four hundred eight million, eight hundred twenty thousand, two hundred twenty-two".