34222021 has 8 divisors (see below), whose sum is σ = 36078080. Its totient is φ = 32371488.

The previous prime is 34222009. The next prime is 34222033. The reversal of 34222021 is 12022243.

It is an interprime number because it is at equal distance from previous prime (34222009) and next prime (34222033).

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

It is a cyclic number.

It is not a de Polignac number, because 34222021 - 2²³ = 25833413 is a prime.

It is a super-2 number, since 2×34222021² = 2342293442648882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34221986 and 34222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34222061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19825 + ... + 21481.

It is an arithmetic number, because the mean of its divisors is an integer number (4509760).

Almost surely, 2^34222021 is an apocalyptic number.

It is an amenable number.

34222021 is a deficient number, since it is larger than the sum of its proper divisors (1856059).

34222021 is a wasteful number, since it uses less digits than its factorization.

34222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 34222021 is about 5849.9590596858. The cubic root of 34222021 is about 324.6648094478.

Adding to 34222021 its reverse (12022243), we get a palindrome (46244264).

The spelling of 34222021 in words is "thirty-four million, two hundred twenty-two thousand, twenty-one".