87225122 has 8 divisors (see below), whose sum is σ = 134028972. Its totient is φ = 42548800.

The previous prime is 87225107. The next prime is 87225137. The reversal of 87225122 is 22152278.

It is an interprime number because it is at equal distance from previous prime (87225107) and next prime (87225137).

It can be written as a sum of positive squares in 2 ways, for example, as 81884401 + 5340721 = 9049^2 + 2311^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 531779 + ... + 531942.

Almost surely, 2^87225122 is an apocalyptic number.

87225122 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

87225122 is a deficient number, since it is larger than the sum of its proper divisors (46803850).

87225122 is a wasteful number, since it uses less digits than its factorization.

87225122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063764.

The product of its digits is 4480, while the sum is 29.

The square root of 87225122 is about 9339.4390623848. The cubic root of 87225122 is about 443.4866269719.

The spelling of 87225122 in words is "eighty-seven million, two hundred twenty-five thousand, one hundred twenty-two".