34422420 has 96 divisors (see below), whose sum is σ = 101445120. Its totient is φ = 8709120.

The previous prime is 34422419. The next prime is 34422457. The reversal of 34422420 is 2422443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126885 + ... + 127155.

It is an arithmetic number, because the mean of its divisors is an integer number (1056720).

Almost surely, 2^34422420 is an apocalyptic number.

34422420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34422420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50722560).

34422420 is an abundant number, since it is smaller than the sum of its proper divisors (67022700).

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

34422420 is a wasteful number, since it uses less digits than its factorization.

34422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 34422420 is about 5867.0622972660. The cubic root of 34422420 is about 325.2973058547.

Adding to 34422420 its reverse (2422443), we get a palindrome (36844863).

The spelling of 34422420 in words is "thirty-four million, four hundred twenty-two thousand, four hundred twenty".