34221394 has 8 divisors (see below), whose sum is σ = 54033840. Its totient is φ = 16210116.

The previous prime is 34221371. The next prime is 34221403. The reversal of 34221394 is 49312243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×34221394² = 2342207614606472, which contains 22 as substring.

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, 450244 + ... + 450319.

It is an arithmetic number, because the mean of its divisors is an integer number (6754230).

Almost surely, 2^34221394 is an apocalyptic number.

34221394 is a deficient number, since it is larger than the sum of its proper divisors (19812446).

34221394 is a wasteful number, since it uses less digits than its factorization.

34221394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900584.

The product of its digits is 5184, while the sum is 28.

The square root of 34221394 is about 5849.9054693217. The cubic root of 34221394 is about 324.6628266497.

It can be divided in two parts, 342 and 21394, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 34221394 in words is "thirty-four million, two hundred twenty-one thousand, three hundred ninety-four".