87148222 has 16 divisors (see below), whose sum is σ = 158185440. Its totient is φ = 35152128.

The previous prime is 87148213. The next prime is 87148241. The reversal of 87148222 is 22284178.

It is a super-2 number, since 2×87148222² = 15189625195522568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182847 + ... + 183322.

It is an arithmetic number, because the mean of its divisors is an integer number (9886590).

Almost surely, 2^87148222 is an apocalyptic number.

87148222 is a deficient number, since it is larger than the sum of its proper divisors (71037218).

87148222 is a wasteful number, since it uses less digits than its factorization.

87148222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366195.

The product of its digits is 14336, while the sum is 34.

The square root of 87148222 is about 9335.3212049720. The cubic root of 87148222 is about 443.3562587626.

The spelling of 87148222 in words is "eighty-seven million, one hundred forty-eight thousand, two hundred twenty-two".