33221440422 has 24 divisors (see below), whose sum is σ = 72007227864. Its totient is φ = 11069591904.

The previous prime is 33221440309. The next prime is 33221440429. The reversal of 33221440422 is 22404412233.

33221440422 is a `hidden beast` number, since 33 + 221 + 4 + 404 + 2 + 2 = 666.

It is a super-2 number, since 2×33221440422² (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 (33221440429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303088 + ... + 397875.

It is an arithmetic number, because the mean of its divisors is an integer number (3000301161).

Almost surely, 2^33221440422 is an apocalyptic number.

33221440422 is an abundant number, since it is smaller than the sum of its proper divisors (38785787442).

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

33221440422 is a wasteful number, since it uses less digits than its factorization.

33221440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703604 (or 703601 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 33221440422 its reverse (22404412233), we get a palindrome (55625852655).

The spelling of 33221440422 in words is "thirty-three billion, two hundred twenty-one million, four hundred forty thousand, four hundred twenty-two".