2722616220 has 24 divisors (see below), whose sum is σ = 7623325584. Its totient is φ = 726030976.

The previous prime is 2722616219. The next prime is 2722616231. The reversal of 2722616220 is 226162272.

2722616220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 22688409 + ... + 22688528.

It is an arithmetic number, because the mean of its divisors is an integer number (317638566).

Almost surely, 2^2722616220 is an apocalyptic number.

2722616220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2722616220 is an abundant number, since it is smaller than the sum of its proper divisors (4900709364).

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

2722616220 is a wasteful number, since it uses less digits than its factorization.

2722616220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45376949 (or 45376947 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2722616220 is about 52178.6950775889. The cubic root of 2722616220 is about 1396.3538147746.

Adding to 2722616220 its reverse (226162272), we get a palindrome (2948778492).

The spelling of 2722616220 in words is "two billion, seven hundred twenty-two million, six hundred sixteen thousand, two hundred twenty".