34640226 has 12 divisors (see below), whose sum is σ = 75053862. Its totient is φ = 11546736.

The previous prime is 34640201. The next prime is 34640227. The reversal of 34640226 is 62204643.

It can be written as a sum of positive squares in only one way, i.e., 30636225 + 4004001 = 5535^2 + 2001^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34640226.

It is not an unprimeable number, because it can be changed into a prime (34640227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 962211 + ... + 962246.

Almost surely, 2^34640226 is an apocalyptic number.

34640226 is an abundant number, since it is smaller than the sum of its proper divisors (40413636).

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

34640226 is a wasteful number, since it uses less digits than its factorization.

34640226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924465 (or 1924462 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 34640226 is about 5885.5947872751. The cubic root of 34640226 is about 325.9819641997.

Adding to 34640226 its reverse (62204643), we get a palindrome (96844869).

The spelling of 34640226 in words is "thirty-four million, six hundred forty thousand, two hundred twenty-six".