87223055 has 8 divisors (see below), whose sum is σ = 104955072. Its totient is φ = 69586848.

The previous prime is 87223051. The next prime is 87223067. The reversal of 87223055 is 55032278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87223055 - 2² = 87223051 is a prime.

It is a super-2 number, since 2×87223055² = 15215722647066050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87223051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21932 + ... + 25601.

It is an arithmetic number, because the mean of its divisors is an integer number (13119384).

Almost surely, 2^87223055 is an apocalyptic number.

87223055 is a deficient number, since it is larger than the sum of its proper divisors (17732017).

87223055 is a wasteful number, since it uses less digits than its factorization.

87223055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47905.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 87223055 is about 9339.3284019784. The cubic root of 87223055 is about 443.4831237988.

The spelling of 87223055 in words is "eighty-seven million, two hundred twenty-three thousand, fifty-five".