2220500722 has 16 divisors (see below), whose sum is σ = 3648758400. Its totient is φ = 1005093040.

The previous prime is 2220500699. The next prime is 2220500749. The reversal of 2220500722 is 2270050222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2220500693 and 2220500702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205897 + ... + 216412.

It is an arithmetic number, because the mean of its divisors is an integer number (228047400).

Almost surely, 2^2220500722 is an apocalyptic number.

2220500722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2220500722 is a deficient number, since it is larger than the sum of its proper divisors (1428257678).

2220500722 is a wasteful number, since it uses less digits than its factorization.

2220500722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422561.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2220500722 is about 47122.1892742687. The cubic root of 2220500722 is about 1304.6188210618.

Multiplying 2220500722 by its sum of digits (22), we get a palindrome (48851015884).

Adding to 2220500722 its reverse (2270050222), we get a palindrome (4490550944).

It can be divided in two parts, 2220500 and 722, that added together give a palindrome (2221222).

The spelling of 2220500722 in words is "two billion, two hundred twenty million, five hundred thousand, seven hundred twenty-two".