34650220 has 48 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 12528320.

The previous prime is 34650211. The next prime is 34650221. The reversal of 34650220 is 2205643.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 34650191 and 34650200.

It is not an unprimeable number, because it can be changed into a prime (34650221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52251 + ... + 52909.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^34650220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34650220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39916800).

34650220 is an abundant number, since it is smaller than the sum of its proper divisors (45183380).

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

34650220 is a wasteful number, since it uses less digits than its factorization.

34650220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34650220 is about 5886.4437481386. The cubic root of 34650220 is about 326.0133107090.

Adding to 34650220 its reverse (2205643), we get a palindrome (36855863).

The spelling of 34650220 in words is "thirty-four million, six hundred fifty thousand, two hundred twenty".