34221646 has 12 divisors (see below), whose sum is σ = 54530568. Its totient is φ = 16104032.

The previous prime is 34221643. The next prime is 34221683. The reversal of 34221646 is 64612243.

It is a super-2 number, since 2×34221646² = 2342242109898632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34221643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29026 + ... + 30181.

It is an arithmetic number, because the mean of its divisors is an integer number (4544214).

Almost surely, 2^34221646 is an apocalyptic number.

34221646 is a deficient number, since it is larger than the sum of its proper divisors (20308922).

34221646 is a wasteful number, since it uses less digits than its factorization.

34221646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59243 (or 59226 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 34221646 is about 5849.9270080916. The cubic root of 34221646 is about 324.6636235667.

Adding to 34221646 its reverse (64612243), we get a palindrome (98833889).

The spelling of 34221646 in words is "thirty-four million, two hundred twenty-one thousand, six hundred forty-six".