22755055722 has 128 divisors (see below), whose sum is σ = 54774019584. Its totient is φ = 6166637568.

The previous prime is 22755055721. The next prime is 22755055723.

22755055722 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22755055721) and next prime (22755055723).

It is a super-2 number, since 2×22755055722² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (22755055721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14247828 + ... + 14249424.

It is an arithmetic number, because the mean of its divisors is an integer number (427922028).

Almost surely, 2^22755055722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22755055722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27387009792).

22755055722 is an abundant number, since it is smaller than the sum of its proper divisors (32018963862).

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

22755055722 is a wasteful number, since it uses less digits than its factorization.

22755055722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 22755055722 in words is "twenty-two billion, seven hundred fifty-five million, fifty-five thousand, seven hundred twenty-two".