33213044223 has 40 divisors (see below), whose sum is σ = 53557020000. Its totient is φ = 20448977472.

The previous prime is 33213044219. The next prime is 33213044239. The reversal of 33213044223 is 32244031233.

33213044223 is a `hidden beast` number, since 3 + 3 + 213 + 0 + 442 + 2 + 3 = 666.

It is not a de Polignac number, because 33213044223 - 2² = 33213044219 is a prime.

It is a super-2 number, since 2×33213044223² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213044273) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 253348 + ... + 361401.

It is an arithmetic number, because the mean of its divisors is an integer number (1338925500).

Almost surely, 2^33213044223 is an apocalyptic number.

33213044223 is a deficient number, since it is larger than the sum of its proper divisors (20343975777).

33213044223 is a wasteful number, since it uses less digits than its factorization.

33213044223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614813 (or 614804 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 33213044223 its reverse (32244031233), we get a palindrome (65457075456).

The spelling of 33213044223 in words is "thirty-three billion, two hundred thirteen million, forty-four thousand, two hundred twenty-three".