2247121506 has 32 divisors (see below), whose sum is σ = 5438413440. Its totient is φ = 604267776.

The previous prime is 2247121501. The next prime is 2247121511. The reversal of 2247121506 is 6051217422.

It is an interprime number because it is at equal distance from previous prime (2247121501) and next prime (2247121511).

It is not an unprimeable number, because it can be changed into a prime (2247121501) 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, 1572901 + ... + 1574328.

It is an arithmetic number, because the mean of its divisors is an integer number (169950420).

Almost surely, 2^2247121506 is an apocalyptic number.

2247121506 is an abundant number, since it is smaller than the sum of its proper divisors (3191291934).

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

2247121506 is a wasteful number, since it uses less digits than its factorization.

2247121506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147258.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2247121506 is about 47403.8132010496. The cubic root of 2247121506 is about 1309.8116594995.

Adding to 2247121506 its reverse (6051217422), we get a palindrome (8298338928).

It can be divided in two parts, 2247 and 121506, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 2247121506 in words is "two billion, two hundred forty-seven million, one hundred twenty-one thousand, five hundred six".