8220225143851 has 16 divisors (see below), whose sum is σ = 9461801018880. Its totient is φ = 6995562013440.

The previous prime is 8220225143803. The next prime is 8220225143863. The reversal of 8220225143851 is 1583415220228.

It is not a de Polignac number, because 8220225143851 - 2²⁷ = 8220090926123 is a prime.

It is a super-2 number, since 2×8220225143851² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8220225143798 and 8220225143807.

It is not an unprimeable number, because it can be changed into a prime (8220225144851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3088870 + ... + 5097211.

It is an arithmetic number, because the mean of its divisors is an integer number (591362563680).

Almost surely, 2^{8220225143851} is an apocalyptic number.

8220225143851 is a deficient number, since it is larger than the sum of its proper divisors (1241575875029).

8220225143851 is a wasteful number, since it uses less digits than its factorization.

8220225143851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8187114.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 8220225143851 in words is "eight trillion, two hundred twenty billion, two hundred twenty-five million, one hundred forty-three thousand, eight hundred fifty-one".