2227170138 has 16 divisors (see below), whose sum is σ = 4598029056. Its totient is φ = 718441920.

The previous prime is 2227170137. The next prime is 2227170151. The reversal of 2227170138 is 8310717222.

It is a junction number, because it is equal to n+sod(n) for n = 2227170099 and 2227170108.

It is not an unprimeable number, because it can be changed into a prime (2227170131) 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 7 ways as a sum of consecutive naturals, for example, 5986831 + ... + 5987202.

It is an arithmetic number, because the mean of its divisors is an integer number (287376816).

Almost surely, 2^2227170138 is an apocalyptic number.

2227170138 is an abundant number, since it is smaller than the sum of its proper divisors (2370858918).

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

2227170138 is a wasteful number, since it uses less digits than its factorization.

2227170138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11974069.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 2227170138 is about 47192.9034707550. The cubic root of 2227170138 is about 1305.9236842213.

The spelling of 2227170138 in words is "two billion, two hundred twenty-seven million, one hundred seventy thousand, one hundred thirty-eight".