33220351541 has 8 divisors (see below), whose sum is σ = 36228622080. Its totient is φ = 30276775152.

The previous prime is 33220351537. The next prime is 33220351561. The reversal of 33220351541 is 14515302233.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33220351541 - 2² = 33220351537 is a prime.

It is a super-2 number, since 2×33220351541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220351531) 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, 16172465 + ... + 16174518.

It is an arithmetic number, because the mean of its divisors is an integer number (4528577760).

Almost surely, 2^33220351541 is an apocalyptic number.

It is an amenable number.

33220351541 is a deficient number, since it is larger than the sum of its proper divisors (3008270539).

33220351541 is a wasteful number, since it uses less digits than its factorization.

33220351541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32347075.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 33220351541 its reverse (14515302233), we get a palindrome (47735653774).

The spelling of 33220351541 in words is "thirty-three billion, two hundred twenty million, three hundred fifty-one thousand, five hundred forty-one".