4218522890 has 8 divisors (see below), whose sum is σ = 7593341220. Its totient is φ = 1687409152.

The previous prime is 4218522887. The next prime is 4218522901. The reversal of 4218522890 is 982258124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3980221921 + 238300969 = 63089^2 + 15437^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210926135 + ... + 210926154.

Almost surely, 2^4218522890 is an apocalyptic number.

4218522890 is a deficient number, since it is larger than the sum of its proper divisors (3374818330).

4218522890 is a wasteful number, since it uses less digits than its factorization.

4218522890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421852296.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 4218522890 is about 64950.1569667079. The cubic root of 4218522890 is about 1615.7970218236.

The spelling of 4218522890 in words is "four billion, two hundred eighteen million, five hundred twenty-two thousand, eight hundred ninety".