87224242 has 8 divisors (see below), whose sum is σ = 149527296. Its totient is φ = 37381812.

The previous prime is 87224237. The next prime is 87224251. The reversal of 87224242 is 24242278.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3115138 + ... + 3115165.

It is an arithmetic number, because the mean of its divisors is an integer number (18690912).

Almost surely, 2^87224242 is an apocalyptic number.

87224242 is a deficient number, since it is larger than the sum of its proper divisors (62303054).

87224242 is a wasteful number, since it uses less digits than its factorization.

87224242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230312.

The product of its digits is 14336, while the sum is 31.

The square root of 87224242 is about 9339.3919502289. The cubic root of 87224242 is about 443.4851355455.

The spelling of 87224242 in words is "eighty-seven million, two hundred twenty-four thousand, two hundred forty-two".