2209733136 has 420 divisors, whose sum is σ = 7440706800. Its totient is φ = 633215232.

The previous prime is 2209733093. The next prime is 2209733147. The reversal of 2209733136 is 6313379022.

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 2209733136.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 37453075 + ... + 37453133.

Almost surely, 2^2209733136 is an apocalyptic number.

2209733136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209733136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3720353400).

2209733136 is an abundant number, since it is smaller than the sum of its proper divisors (5230973664).

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

2209733136 is a wasteful number, since it uses less digits than its factorization.

2209733136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 2209733136 is about 47007.7986721352. The cubic root of 2209733136 is about 1302.5066303328.

The spelling of 2209733136 in words is "two billion, two hundred nine million, seven hundred thirty-three thousand, one hundred thirty-six".