33227865091 has 16 divisors (see below), whose sum is σ = 34516500480. Its totient is φ = 31968185760.

The previous prime is 33227865067. The next prime is 33227865109. The reversal of 33227865091 is 19056872233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33227865091 is a prime.

It is a super-2 number, since 2×33227865091² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33227865001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625086 + ... + 676156.

It is an arithmetic number, because the mean of its divisors is an integer number (2157281280).

Almost surely, 2^33227865091 is an apocalyptic number.

33227865091 is a deficient number, since it is larger than the sum of its proper divisors (1288635389).

33227865091 is a wasteful number, since it uses less digits than its factorization.

33227865091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51354.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 33227865091 in words is "thirty-three billion, two hundred twenty-seven million, eight hundred sixty-five thousand, ninety-one".