34221864 has 16 divisors (see below), whose sum is σ = 85554720. Its totient is φ = 11407280.

The previous prime is 34221857. The next prime is 34221871. The reversal of 34221864 is 46812243.

It is an interprime number because it is at equal distance from previous prime (34221857) and next prime (34221871).

It is a super-2 number, since 2×34221864² = 2342271951268992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712932 + ... + 712979.

It is an arithmetic number, because the mean of its divisors is an integer number (5347170).

Almost surely, 2^34221864 is an apocalyptic number.

It is an amenable number.

34221864 is an abundant number, since it is smaller than the sum of its proper divisors (51332856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34221864 is a wasteful number, since it uses less digits than its factorization.

34221864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425920 (or 1425916 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 34221864 is about 5849.9456407731. The cubic root of 34221864 is about 324.6643129599.

The spelling of 34221864 in words is "thirty-four million, two hundred twenty-one thousand, eight hundred sixty-four".