4220734635218 has 8 divisors (see below), whose sum is σ = 6703519714812. Its totient is φ = 1986228063616.

The previous prime is 4220734635199. The next prime is 4220734635223. The reversal of 4220734635218 is 8125364370224.

It can be written as a sum of positive squares in 2 ways, for example, as 4077641146489 + 143093488729 = 2019317^2 + 378277^2 .

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, 62069626955 + ... + 62069627022.

Almost surely, 2^{4220734635218} is an apocalyptic number.

4220734635218 is a deficient number, since it is larger than the sum of its proper divisors (2482785079594).

4220734635218 is a wasteful number, since it uses less digits than its factorization.

4220734635218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124139253996.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 4220734635218 in words is "four trillion, two hundred twenty billion, seven hundred thirty-four million, six hundred thirty-five thousand, two hundred eighteen".