2207122506 has 20 divisors (see below), whose sum is σ = 4945589682. Its totient is φ = 735707448.

The previous prime is 2207122499. The next prime is 2207122523. The reversal of 2207122506 is 6052217022.

It can be written as a sum of positive squares in only one way, i.e., 2191082481 + 16040025 = 46809^2 + 4005^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2207122506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6811945 + ... + 6812268.

Almost surely, 2^2207122506 is an apocalyptic number.

2207122506 is an abundant number, since it is smaller than the sum of its proper divisors (2738467176).

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

2207122506 is a wasteful number, since it uses less digits than its factorization.

2207122506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624227 (or 13624218 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2207122506 is about 46980.0224137878. The cubic root of 2207122506 is about 1301.9934910163.

Adding to 2207122506 its reverse (6052217022), we get a palindrome (8259339528).

The spelling of 2207122506 in words is "two billion, two hundred seven million, one hundred twenty-two thousand, five hundred six".