33223976642 has 32 divisors (see below), whose sum is σ = 51880518144. Its totient is φ = 15940108800.

The previous prime is 33223976609. The next prime is 33223976647. The reversal of 33223976642 is 24667932233.

It is a super-2 number, since 2×33223976642² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33223976647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957173 + ... + 3965559.

It is an arithmetic number, because the mean of its divisors is an integer number (1621266192).

Almost surely, 2^33223976642 is an apocalyptic number.

33223976642 is a deficient number, since it is larger than the sum of its proper divisors (18656541502).

33223976642 is a wasteful number, since it uses less digits than its factorization.

33223976642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954.

The product of its digits is 1959552, while the sum is 47.

The spelling of 33223976642 in words is "thirty-three billion, two hundred twenty-three million, nine hundred seventy-six thousand, six hundred forty-two".