34422421 has 8 divisors (see below), whose sum is σ = 39184704. Its totient is φ = 29932320.

The previous prime is 34422419. The next prime is 34422457. The reversal of 34422421 is 12422443.

It is a happy number.

34422421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 34422421 - 2¹ = 34422419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34422392 and 34422401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34422491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67776 + ... + 68281.

It is an arithmetic number, because the mean of its divisors is an integer number (4898088).

Almost surely, 2^34422421 is an apocalyptic number.

It is an amenable number.

34422421 is a deficient number, since it is larger than the sum of its proper divisors (4762283).

34422421 is a wasteful number, since it uses less digits than its factorization.

34422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136091.

The product of its digits is 1536, while the sum is 22.

The square root of 34422421 is about 5867.0623824875. The cubic root of 34422421 is about 325.2973090048.

Adding to 34422421 its sum of digits (22), we get a palindrome (34422443).

Adding to 34422421 its reverse (12422443), we get a palindrome (46844864).

It can be divided in two parts, 34422 and 421, that added together give a palindrome (34843).

The spelling of 34422421 in words is "thirty-four million, four hundred twenty-two thousand, four hundred twenty-one".