2750220406 has 4 divisors (see below), whose sum is σ = 4125330612. Its totient is φ = 1375110202.

The previous prime is 2750220401. The next prime is 2750220409. The reversal of 2750220406 is 6040220572.

2750220406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750220401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687555100 + ... + 687555103.

It is an arithmetic number, because the mean of its divisors is an integer number (1031332653).

Almost surely, 2^2750220406 is an apocalyptic number.

2750220406 is a deficient number, since it is larger than the sum of its proper divisors (1375110206).

2750220406 is a wasteful number, since it uses less digits than its factorization.

2750220406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375110205.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2750220406 is about 52442.5438551564. The cubic root of 2750220406 is about 1401.0570937993.

Adding to 2750220406 its reverse (6040220572), we get a palindrome (8790440978).

The spelling of 2750220406 in words is "two billion, seven hundred fifty million, two hundred twenty thousand, four hundred six".