122667223056 has 80 divisors (see below), whose sum is σ = 362555366400. Its totient is φ = 35009553024.

The previous prime is 122667223043. The next prime is 122667223067. The reversal of 122667223056 is 650322766221.

It is a happy number.

It is a super-2 number, since 2×122667223056² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 122667222999 and 122667223017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110155 + ... + 507413.

It is an arithmetic number, because the mean of its divisors is an integer number (4531942080).

Almost surely, 2^122667223056 is an apocalyptic number.

122667223056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122667223056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181277683200).

122667223056 is an abundant number, since it is smaller than the sum of its proper divisors (239888143344).

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

122667223056 is a wasteful number, since it uses less digits than its factorization.

122667223056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398196 (or 398190 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

Adding to 122667223056 its reverse (650322766221), we get a palindrome (772989989277).

The spelling of 122667223056 in words is "one hundred twenty-two billion, six hundred sixty-seven million, two hundred twenty-three thousand, fifty-six".