34279221 has 4 divisors (see below), whose sum is σ = 45705632. Its totient is φ = 22852812.

The previous prime is 34279187. The next prime is 34279229. The reversal of 34279221 is 12297243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 34279221 - 2⁷ = 34279093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34279229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713201 + ... + 5713206.

It is an arithmetic number, because the mean of its divisors is an integer number (11426408).

Almost surely, 2^34279221 is an apocalyptic number.

It is an amenable number.

34279221 is a deficient number, since it is larger than the sum of its proper divisors (11426411).

34279221 is a wasteful number, since it uses less digits than its factorization.

34279221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426410.

The product of its digits is 6048, while the sum is 30.

The square root of 34279221 is about 5854.8459416111. The cubic root of 34279221 is about 324.8455945046.

The spelling of 34279221 in words is "thirty-four million, two hundred seventy-nine thousand, two hundred twenty-one".