87222151 has 8 divisors (see below), whose sum is σ = 89316864. Its totient is φ = 85151640.

The previous prime is 87222139. The next prime is 87222181. The reversal of 87222151 is 15122278.

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 87222151 - 2⁹ = 87221639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87222181) 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, 1350 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (11164608).

Almost surely, 2^87222151 is an apocalyptic number.

87222151 is a deficient number, since it is larger than the sum of its proper divisors (2094713).

87222151 is a wasteful number, since it uses less digits than its factorization.

87222151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12101.

The product of its digits is 2240, while the sum is 28.

The square root of 87222151 is about 9339.2800043686. The cubic root of 87222151 is about 443.4815916729.

The spelling of 87222151 in words is "eighty-seven million, two hundred twenty-two thousand, one hundred fifty-one".