2208407406 has 32 divisors (see below), whose sum is σ = 4755905280. Its totient is φ = 681088896.

The previous prime is 2208407401. The next prime is 2208407429. The reversal of 2208407406 is 6047048022.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208407401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177466 + ... + 189501.

It is an arithmetic number, because the mean of its divisors is an integer number (148622040).

Almost surely, 2^2208407406 is an apocalyptic number.

2208407406 is an abundant number, since it is smaller than the sum of its proper divisors (2547497874).

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

2208407406 is a wasteful number, since it uses less digits than its factorization.

2208407406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367048.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2208407406 is about 46993.6953856579. The cubic root of 2208407406 is about 1302.2460984873.

The spelling of 2208407406 in words is "two billion, two hundred eight million, four hundred seven thousand, four hundred six".