33220531404 has 48 divisors (see below), whose sum is σ = 86497014240. Its totient is φ = 11025976320.

The previous prime is 33220531403. The next prime is 33220531417. The reversal of 33220531404 is 40413502233.

33220531404 is a `hidden beast` number, since 3 + 3 + 220 + 5 + 31 + 404 = 666.

It is a super-2 number, since 2×33220531404² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (33220531403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634917 + ... + 685244.

It is an arithmetic number, because the mean of its divisors is an integer number (1802021130).

Almost surely, 2^33220531404 is an apocalyptic number.

It is an amenable number.

33220531404 is an abundant number, since it is smaller than the sum of its proper divisors (53276482836).

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

33220531404 is a wasteful number, since it uses less digits than its factorization.

33220531404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320407 (or 1320399 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

It can be divided in two parts, 332205 and 31404, that added together give a square (363609 = 603²).

The spelling of 33220531404 in words is "thirty-three billion, two hundred twenty million, five hundred thirty-one thousand, four hundred four".