34221861 has 24 divisors (see below), whose sum is σ = 53254656. Its totient is φ = 21114720.

The previous prime is 34221857. The next prime is 34221871. The reversal of 34221861 is 16812243.

It is not a de Polignac number, because 34221861 - 2² = 34221857 is a prime.

It is a super-2 number, since 2×34221861² = 2342271540606642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34221871) 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 23 ways as a sum of consecutive naturals, for example, 3751 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (2218944).

Almost surely, 2^34221861 is an apocalyptic number.

34221861 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34221861 is a deficient number, since it is larger than the sum of its proper divisors (19032795).

34221861 is a wasteful number, since it uses less digits than its factorization.

34221861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393 (or 5390 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 34221861 is about 5849.9453843604. The cubic root of 34221861 is about 324.6643034729.

The spelling of 34221861 in words is "thirty-four million, two hundred twenty-one thousand, eight hundred sixty-one".