33138865222 has 16 divisors (see below), whose sum is σ = 51503563872. Its totient is φ = 15978936960.

The previous prime is 33138865183. The next prime is 33138865231. The reversal of 33138865222 is 22256883133.

It is a super-2 number, since 2×33138865222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973154 + ... + 1989877.

It is an arithmetic number, because the mean of its divisors is an integer number (3218972742).

Almost surely, 2^33138865222 is an apocalyptic number.

33138865222 is a deficient number, since it is larger than the sum of its proper divisors (18364698650).

33138865222 is a wasteful number, since it uses less digits than its factorization.

33138865222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963183.

The product of its digits is 414720, while the sum is 43.

The spelling of 33138865222 in words is "thirty-three billion, one hundred thirty-eight million, eight hundred sixty-five thousand, two hundred twenty-two".