33991212022 has 16 divisors (see below), whose sum is σ = 52388818560. Its totient is φ = 16528693248.

The previous prime is 33991211977. The next prime is 33991212023. The reversal of 33991212022 is 22021219933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33991212023) 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, 59254 + ... + 267382.

It is an arithmetic number, because the mean of its divisors is an integer number (3274301160).

Almost surely, 2^33991212022 is an apocalyptic number.

33991212022 is a deficient number, since it is larger than the sum of its proper divisors (18397606538).

33991212022 is a wasteful number, since it uses less digits than its factorization.

33991212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210375.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 33991212022 in words is "thirty-three billion, nine hundred ninety-one million, two hundred twelve thousand, twenty-two".