33422421142 has 16 divisors (see below), whose sum is σ = 54856476864. Its totient is φ = 15146109000.

The previous prime is 33422421133. The next prime is 33422421157. The reversal of 33422421142 is 24112422433.

It is a super-2 number, since 2×33422421142² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33422421142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287584 + ... + 2302147.

It is an arithmetic number, because the mean of its divisors is an integer number (3428529804).

Almost surely, 2^33422421142 is an apocalyptic number.

33422421142 is a deficient number, since it is larger than the sum of its proper divisors (21434055722).

33422421142 is a wasteful number, since it uses less digits than its factorization.

33422421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590075.

The product of its digits is 9216, while the sum is 28.

Adding to 33422421142 its reverse (24112422433), we get a palindrome (57534843575).

The spelling of 33422421142 in words is "thirty-three billion, four hundred twenty-two million, four hundred twenty-one thousand, one hundred forty-two".