2209227558720 has 896 divisors, whose sum is σ = 8962687598592. Its totient is φ = 448494796800.

The previous prime is 2209227558683. The next prime is 2209227558731. The reversal of 2209227558720 is 278557229022.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 490174707 + ... + 490179213.

It is an arithmetic number, because the mean of its divisors is an integer number (10002999552).

Almost surely, 2^{2209227558720} is an apocalyptic number.

2209227558720 is a gapful number since it is divisible by the number (20) 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 2209227558720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481343799296).

2209227558720 is an abundant number, since it is smaller than the sum of its proper divisors (6753460039872).

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

2209227558720 is a wasteful number, since it uses less digits than its factorization.

2209227558720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 2209227558720 in words is "two trillion, two hundred nine billion, two hundred twenty-seven million, five hundred fifty-eight thousand, seven hundred twenty".