33505013222 has 16 divisors (see below), whose sum is σ = 51484788432. Its totient is φ = 16344303360.

The previous prime is 33505013221. The next prime is 33505013251. The reversal of 33505013222 is 22231050533.

It is a super-2 number, since 2×33505013222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33505013191 and 33505013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33505013221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145343 + ... + 296874.

It is an arithmetic number, because the mean of its divisors is an integer number (3217799277).

Almost surely, 2^33505013222 is an apocalyptic number.

33505013222 is a deficient number, since it is larger than the sum of its proper divisors (17979775210).

33505013222 is a wasteful number, since it uses less digits than its factorization.

33505013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443143.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 33505013222 its reverse (22231050533), we get a palindrome (55736063755).

The spelling of 33505013222 in words is "thirty-three billion, five hundred five million, thirteen thousand, two hundred twenty-two".