33212244442 has 16 divisors (see below), whose sum is σ = 53662111272. Its totient is φ = 15325424640.

The previous prime is 33212244427. The next prime is 33212244479. The reversal of 33212244442 is 24444221233.

It can be written as a sum of positive squares in 4 ways, for example, as 18672949201 + 14539295241 = 136649^2 + 120579^2 .

It is a super-2 number, since 2×33212244442² (a number of 22 digits) contains 22 as substring.

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, 12543 + ... + 258034.

Almost surely, 2^33212244442 is an apocalyptic number.

33212244442 is a deficient number, since it is larger than the sum of its proper divisors (20449866830).

33212244442 is a wasteful number, since it uses less digits than its factorization.

33212244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275313.

The product of its digits is 36864, while the sum is 31.

Adding to 33212244442 its reverse (24444221233), we get a palindrome (57656465675).

The spelling of 33212244442 in words is "thirty-three billion, two hundred twelve million, two hundred forty-four thousand, four hundred forty-two".