34221385 has 16 divisors (see below), whose sum is σ = 45012672. Its totient is φ = 24769600.

The previous prime is 34221371. The next prime is 34221403. The reversal of 34221385 is 58312243.

It is not a de Polignac number, because 34221385 - 2⁵ = 34221353 is a prime.

It is a super-2 number, since 2×34221385² = 2342206382636450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11115 + ... + 13855.

It is an arithmetic number, because the mean of its divisors is an integer number (2813292).

Almost surely, 2^34221385 is an apocalyptic number.

It is an amenable number.

34221385 is a deficient number, since it is larger than the sum of its proper divisors (10791287).

34221385 is a wasteful number, since it uses less digits than its factorization.

34221385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984.

The product of its digits is 5760, while the sum is 28.

The square root of 34221385 is about 5849.9047000785. The cubic root of 34221385 is about 324.6627981883.

The spelling of 34221385 in words is "thirty-four million, two hundred twenty-one thousand, three hundred eighty-five".