2227198064388 has 48 divisors (see below), whose sum is σ = 5671152250176. Its totient is φ = 674679836160.

The previous prime is 2227198064387. The next prime is 2227198064411. The reversal of 2227198064388 is 8834608917222.

It is a super-2 number, since 2×2227198064388² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2227198064387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467081 + ... + 3246672.

It is an arithmetic number, because the mean of its divisors is an integer number (118149005212).

Almost surely, 2^{2227198064388} is an apocalyptic number.

It is an amenable number.

2227198064388 is an abundant number, since it is smaller than the sum of its proper divisors (3443954185788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2227198064388 is a wasteful number, since it uses less digits than its factorization.

2227198064388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716724 (or 5716722 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 2227198064388 in words is "two trillion, two hundred twenty-seven billion, one hundred ninety-eight million, sixty-four thousand, three hundred eighty-eight".