2208570156 has 36 divisors (see below), whose sum is σ = 6012220032. Its totient is φ = 679559904.

The previous prime is 2208570151. The next prime is 2208570163. The reversal of 2208570156 is 6510758022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2208570156.

It is not an unprimeable number, because it can be changed into a prime (2208570151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2359116 + ... + 2360051.

It is an arithmetic number, because the mean of its divisors is an integer number (167006112).

Almost surely, 2^2208570156 is an apocalyptic number.

2208570156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2208570156 is an abundant number, since it is smaller than the sum of its proper divisors (3803649876).

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

2208570156 is a wasteful number, since it uses less digits than its factorization.

2208570156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719190 (or 4719185 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 2208570156 is about 46995.4269690148. The cubic root of 2208570156 is about 1302.2780876553.

The spelling of 2208570156 in words is "two billion, two hundred eight million, five hundred seventy thousand, one hundred fifty-six".