33404212144220 has 48 divisors (see below), whose sum is σ = 70697653740000. Its totient is φ = 13257270067200.

The previous prime is 33404212144201. The next prime is 33404212144223. The reversal of 33404212144220 is 2244121240433.

It is a happy number.

It is a super-2 number, since 2×33404212144220² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33404212144223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698156 + ... + 8203404.

It is an arithmetic number, because the mean of its divisors is an integer number (1472867786250).

Almost surely, 2^{33404212144220} is an apocalyptic number.

It is an amenable number.

33404212144220 is an abundant number, since it is smaller than the sum of its proper divisors (37293441595780).

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

33404212144220 is a wasteful number, since it uses less digits than its factorization.

33404212144220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506998 (or 7506996 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 33404212144220 its reverse (2244121240433), we get a palindrome (35648333384653).

The spelling of 33404212144220 in words is "thirty-three trillion, four hundred four billion, two hundred twelve million, one hundred forty-four thousand, two hundred twenty".