34408866221 has 16 divisors (see below), whose sum is σ = 36472138560. Its totient is φ = 32371073280.

The previous prime is 34408866211. The next prime is 34408866227. The reversal of 34408866221 is 12266880443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34408866221 is a prime.

It is a super-2 number, since 2×34408866221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34408866227) 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, 9146981 + ... + 9150741.

It is an arithmetic number, because the mean of its divisors is an integer number (2279508660).

Almost surely, 2^34408866221 is an apocalyptic number.

It is an amenable number.

34408866221 is a deficient number, since it is larger than the sum of its proper divisors (2063272339).

34408866221 is a wasteful number, since it uses less digits than its factorization.

34408866221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 34408866221 in words is "thirty-four billion, four hundred eight million, eight hundred sixty-six thousand, two hundred twenty-one".