87022418 has 16 divisors (see below), whose sum is σ = 152820864. Its totient is φ = 36385440.

The previous prime is 87022391. The next prime is 87022421. The reversal of 87022418 is 81422078.

It is a Curzon 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, 75230 + ... + 76377.

It is an arithmetic number, because the mean of its divisors is an integer number (9551304).

Almost surely, 2^87022418 is an apocalyptic number.

87022418 is a deficient number, since it is larger than the sum of its proper divisors (65798446).

87022418 is a wasteful number, since it uses less digits than its factorization.

87022418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151657.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 87022418 is about 9328.5807066241. The cubic root of 87022418 is about 443.1428183742.

The spelling of 87022418 in words is "eighty-seven million, twenty-two thousand, four hundred eighteen".