22354622645322 has 128 divisors (see below), whose sum is σ = 54333466011648. Its totient is φ = 6098446928640.

The previous prime is 22354622645321. The next prime is 22354622645323.

22354622645322 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22354622645321) and next prime (22354622645323).

It is a super-2 number, since 2×22354622645322² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22354622645321) 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, 457048 + ... + 6702099.

It is an arithmetic number, because the mean of its divisors is an integer number (424480203216).

Almost surely, 2^{22354622645322} is an apocalyptic number.

22354622645322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22354622645322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27166733005824).

22354622645322 is an abundant number, since it is smaller than the sum of its proper divisors (31978843366326).

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

22354622645322 is a wasteful number, since it uses less digits than its factorization.

22354622645322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159225 (or 7159203 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 48.

The spelling of 22354622645322 in words is "twenty-two trillion, three hundred fifty-four billion, six hundred twenty-two million, six hundred forty-five thousand, three hundred twenty-two".