2267121642 has 16 divisors (see below), whose sum is σ = 4538367360. Its totient is φ = 755019872.

The previous prime is 2267121631. The next prime is 2267121643. The reversal of 2267121642 is 2461217622.

It is not an unprimeable number, because it can be changed into a prime (2267121643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164667 + ... + 177902.

It is an arithmetic number, because the mean of its divisors is an integer number (283647960).

Almost surely, 2^2267121642 is an apocalyptic number.

2267121642 is an abundant number, since it is smaller than the sum of its proper divisors (2271245718).

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

2267121642 is a wasteful number, since it uses less digits than its factorization.

2267121642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343677.

The product of its digits is 16128, while the sum is 33.

The square root of 2267121642 is about 47614.3008139361. The cubic root of 2267121642 is about 1313.6861087046.

The spelling of 2267121642 in words is "two billion, two hundred sixty-seven million, one hundred twenty-one thousand, six hundred forty-two".