33010221442 has 32 divisors (see below), whose sum is σ = 55905448320. Its totient is φ = 14480484480.

The previous prime is 33010221421. The next prime is 33010221449. The reversal of 33010221442 is 24412201033.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (33010221449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505643 + ... + 1527409.

It is an arithmetic number, because the mean of its divisors is an integer number (1747045260).

Almost surely, 2^33010221442 is an apocalyptic number.

33010221442 is a deficient number, since it is larger than the sum of its proper divisors (22895226878).

33010221442 is a wasteful number, since it uses less digits than its factorization.

33010221442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24186.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 33010221442 its reverse (24412201033), we get a palindrome (57422422475).

It can be divided in two parts, 33010 and 221442, that added together give a palindrome (254452).

The spelling of 33010221442 in words is "thirty-three billion, ten million, two hundred twenty-one thousand, four hundred forty-two".