2206021506 has 32 divisors (see below), whose sum is σ = 4753425600. Its totient is φ = 678490944.

The previous prime is 2206021501. The next prime is 2206021513. The reversal of 2206021506 is 6051206022.

2206021506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2206021501) 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, 253036 + ... + 261608.

It is an arithmetic number, because the mean of its divisors is an integer number (148544550).

Almost surely, 2^2206021506 is an apocalyptic number.

2206021506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2206021506 is an abundant number, since it is smaller than the sum of its proper divisors (2547404094).

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

2206021506 is a wasteful number, since it uses less digits than its factorization.

2206021506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2206021506 is about 46968.3032054597. The cubic root of 2206021506 is about 1301.7769597247.

Adding to 2206021506 its reverse (6051206022), we get a palindrome (8257227528).

The spelling of 2206021506 in words is "two billion, two hundred six million, twenty-one thousand, five hundred six".