2720226522 has 16 divisors (see below), whose sum is σ = 5858949600. Its totient is φ = 836992752.

The previous prime is 2720226469. The next prime is 2720226529. The reversal of 2720226522 is 2256220272.

It is a self number, because there is not a number n which added to its sum of digits gives 2720226522.

It is not an unprimeable number, because it can be changed into a prime (2720226529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17437272 + ... + 17437427.

It is an arithmetic number, because the mean of its divisors is an integer number (366184350).

Almost surely, 2^2720226522 is an apocalyptic number.

2720226522 is an abundant number, since it is smaller than the sum of its proper divisors (3138723078).

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

2720226522 is a wasteful number, since it uses less digits than its factorization.

2720226522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34874717.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 2720226522 is about 52155.7908769486. The cubic root of 2720226522 is about 1395.9451587365.

Adding to 2720226522 its reverse (2256220272), we get a palindrome (4976446794).

The spelling of 2720226522 in words is "two billion, seven hundred twenty million, two hundred twenty-six thousand, five hundred twenty-two".