87222459 has 32 divisors (see below), whose sum is σ = 124830720. Its totient is φ = 54075392.

The previous prime is 87222451. The next prime is 87222467. The reversal of 87222459 is 95422278.

It is an interprime number because it is at equal distance from previous prime (87222451) and next prime (87222467).

It is a cyclic number.

It is not a de Polignac number, because 87222459 - 2³ = 87222451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87222451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339259 + ... + 339515.

It is an arithmetic number, because the mean of its divisors is an integer number (3900960).

Almost surely, 2^87222459 is an apocalyptic number.

87222459 is a deficient number, since it is larger than the sum of its proper divisors (37608261).

87222459 is a wasteful number, since it uses less digits than its factorization.

87222459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 80640, while the sum is 39.

The square root of 87222459 is about 9339.2964938479. The cubic root of 87222459 is about 443.4821136816.

The spelling of 87222459 in words is "eighty-seven million, two hundred twenty-two thousand, four hundred fifty-nine".