87224151 has 32 divisors (see below), whose sum is σ = 137871360. Its totient is φ = 48017376.

The previous prime is 87224147. The next prime is 87224171. The reversal of 87224151 is 15142278.

It is not a de Polignac number, because 87224151 - 2² = 87224147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87224101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65470 + ... + 66788.

It is an arithmetic number, because the mean of its divisors is an integer number (4308480).

Almost surely, 2^87224151 is an apocalyptic number.

87224151 is a deficient number, since it is larger than the sum of its proper divisors (50647209).

87224151 is a wasteful number, since it uses less digits than its factorization.

87224151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its digits is 4480, while the sum is 30.

The square root of 87224151 is about 9339.3870783901. The cubic root of 87224151 is about 443.4849813179.

The spelling of 87224151 in words is "eighty-seven million, two hundred twenty-four thousand, one hundred fifty-one".