2218858545 has 8 divisors (see below), whose sum is σ = 3550173696. Its totient is φ = 1183391216.

The previous prime is 2218858531. The next prime is 2218858567. The reversal of 2218858545 is 5458588122.

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 2218858545 - 2¹⁰ = 2218857521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2218858494 and 2218858503.

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, 73961937 + ... + 73961966.

It is an arithmetic number, because the mean of its divisors is an integer number (443771712).

Almost surely, 2^2218858545 is an apocalyptic number.

It is an amenable number.

2218858545 is a deficient number, since it is larger than the sum of its proper divisors (1331315151).

2218858545 is a wasteful number, since it uses less digits than its factorization.

2218858545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147923911.

The product of its digits is 1024000, while the sum is 48.

The square root of 2218858545 is about 47104.7613835374. The cubic root of 2218858545 is about 1304.2971303487.

The spelling of 2218858545 in words is "two billion, two hundred eighteen million, eight hundred fifty-eight thousand, five hundred forty-five".