2722221005502 has 8 divisors (see below), whose sum is σ = 5444442011016. Its totient is φ = 907407001832.

The previous prime is 2722221005501. The next prime is 2722221005507. The reversal of 2722221005502 is 2055001222272.

It is a sphenic number, since it is the product of 3 distinct primes.

2722221005502 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722221005502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722221005501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226851750453 + ... + 226851750464.

It is an arithmetic number, because the mean of its divisors is an integer number (680555251377).

Almost surely, 2^{2722221005502} is an apocalyptic number.

2722221005502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2722221005502 is a wasteful number, since it uses less digits than its factorization.

2722221005502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453703500922.

The product of its (nonzero) digits is 11200, while the sum is 30.

Adding to 2722221005502 its reverse (2055001222272), we get a palindrome (4777222227774).

The spelling of 2722221005502 in words is "two trillion, seven hundred twenty-two billion, two hundred twenty-one million, five thousand, five hundred two".