33220242542365 has 16 divisors (see below), whose sum is σ = 40875128224128. Its totient is φ = 25904840786496.

The previous prime is 33220242542341. The next prime is 33220242542411. The reversal of 33220242542365 is 56324524202233.

It is a cyclic number.

It is not a de Polignac number, because 33220242542365 - 2³³ = 33211652607773 is a prime.

It is a super-2 number, since 2×33220242542365² (a number of 28 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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158532622 + ... + 158742031.

It is an arithmetic number, because the mean of its divisors is an integer number (2554695514008).

Almost surely, 2^{33220242542365} is an apocalyptic number.

It is an amenable number.

33220242542365 is a deficient number, since it is larger than the sum of its proper divisors (7654885681763).

33220242542365 is a wasteful number, since it uses less digits than its factorization.

33220242542365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317275188.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 33220242542365 its reverse (56324524202233), we get a palindrome (89544766744598).

The spelling of 33220242542365 in words is "thirty-three trillion, two hundred twenty billion, two hundred forty-two million, five hundred forty-two thousand, three hundred sixty-five".