33221240622 has 48 divisors (see below), whose sum is σ = 73192918032. Its totient is φ = 10887212160.

The previous prime is 33221240599. The next prime is 33221240623. The reversal of 33221240622 is 22604212233.

It is a happy number.

33221240622 is a `hidden beast` number, since 3 + 3 + 22 + 12 + 4 + 0 + 622 = 666.

It is a super-2 number, since 2×33221240622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221240623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2966698 + ... + 2977874.

It is an arithmetic number, because the mean of its divisors is an integer number (1524852459).

Almost surely, 2^33221240622 is an apocalyptic number.

33221240622 is an abundant number, since it is smaller than the sum of its proper divisors (39971677410).

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

33221240622 is a wasteful number, since it uses less digits than its factorization.

33221240622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13953 (or 13950 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 33221240622 its reverse (22604212233), we get a palindrome (55825452855).

The spelling of 33221240622 in words is "thirty-three billion, two hundred twenty-one million, two hundred forty thousand, six hundred twenty-two".