3505222730 has 16 divisors (see below), whose sum is σ = 6339307104. Its totient is φ = 1395443280.

The previous prime is 3505222727. The next prime is 3505222751. The reversal of 3505222730 is 372225053.

It is a happy number.

3505222730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3505222693 and 3505222702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828512 + ... + 832731.

It is an arithmetic number, because the mean of its divisors is an integer number (396206694).

Almost surely, 2^3505222730 is an apocalyptic number.

3505222730 is a deficient number, since it is larger than the sum of its proper divisors (2834084374).

3505222730 is a wasteful number, since it uses less digits than its factorization.

3505222730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661461.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 3505222730 is about 59204.9215015103. The cubic root of 3505222730 is about 1519.0493146236.

Adding to 3505222730 its reverse (372225053), we get a palindrome (3877447783).

The spelling of 3505222730 in words is "three billion, five hundred five million, two hundred twenty-two thousand, seven hundred thirty".