34320532221 has 32 divisors (see below), whose sum is σ = 51604024320. Its totient is φ = 22539658752.

The previous prime is 34320532193. The next prime is 34320532231. The reversal of 34320532221 is 12223502343.

34320532221 is a `hidden beast` number, since 3 + 432 + 0 + 5 + 3 + 2 + 221 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-34320532221 is a prime.

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 (34320532231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1690885 + ... + 1711061.

It is an arithmetic number, because the mean of its divisors is an integer number (1612625760).

Almost surely, 2^34320532221 is an apocalyptic number.

It is an amenable number.

34320532221 is a deficient number, since it is larger than the sum of its proper divisors (17283492099).

34320532221 is a wasteful number, since it uses less digits than its factorization.

34320532221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122 (or 21116 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 34320532221 in words is "thirty-four billion, three hundred twenty million, five hundred thirty-two thousand, two hundred twenty-one".