33222365665 has 32 divisors (see below), whose sum is σ = 42179208192. Its totient is φ = 25081056000.

The previous prime is 33222365629. The next prime is 33222365677. The reversal of 33222365665 is 56656322233.

It is not a de Polignac number, because 33222365665 - 2¹³ = 33222357473 is a prime.

It is a super-2 number, since 2×33222365665² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4401795 + ... + 4409335.

It is an arithmetic number, because the mean of its divisors is an integer number (1318100256).

Almost surely, 2^33222365665 is an apocalyptic number.

It is an amenable number.

33222365665 is a deficient number, since it is larger than the sum of its proper divisors (8956842527).

33222365665 is a wasteful number, since it uses less digits than its factorization.

33222365665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8281.

The product of its digits is 1166400, while the sum is 43.

Adding to 33222365665 its reverse (56656322233), we get a palindrome (89878687898).

The spelling of 33222365665 in words is "thirty-three billion, two hundred twenty-two million, three hundred sixty-five thousand, six hundred sixty-five".