33021402422 has 4 divisors (see below), whose sum is σ = 49532103636. Its totient is φ = 16510701210.

The previous prime is 33021402397. The next prime is 33021402481. The reversal of 33021402422 is 22420412033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22420412033 = 43 ⋅521404931.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8255350604 + ... + 8255350607.

It is an arithmetic number, because the mean of its divisors is an integer number (12383025909).

Almost surely, 2^33021402422 is an apocalyptic number.

33021402422 is a deficient number, since it is larger than the sum of its proper divisors (16510701214).

33021402422 is a wasteful number, since it uses less digits than its factorization.

33021402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16510701213.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 33021402422 its reverse (22420412033), we get a palindrome (55441814455).

The spelling of 33021402422 in words is "thirty-three billion, twenty-one million, four hundred two thousand, four hundred twenty-two".