2220455700 has 72 divisors (see below), whose sum is σ = 7138362560. Its totient is φ = 592120800.

The previous prime is 2220455651. The next prime is 2220455707. The reversal of 2220455700 is 75540222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220455707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408496 + ... + 413895.

Almost surely, 2^2220455700 is an apocalyptic number.

2220455700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220455700 is an abundant number, since it is smaller than the sum of its proper divisors (4917906860).

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

2220455700 is a wasteful number, since it uses less digits than its factorization.

2220455700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822414 (or 822401 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2220455700 is about 47121.7115563516. The cubic root of 2220455700 is about 1304.6100036893.

Adding to 2220455700 its reverse (75540222), we get a palindrome (2295995922).

The spelling of 2220455700 in words is "two billion, two hundred twenty million, four hundred fifty-five thousand, seven hundred".