122235678 has 48 divisors (see below), whose sum is σ = 287292096. Its totient is φ = 37409280.

The previous prime is 122235613. The next prime is 122235689. The reversal of 122235678 is 876532221.

It is a super-2 number, since 2×122235678² = 29883121952239368, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7675 + ... + 17417.

It is an arithmetic number, because the mean of its divisors is an integer number (5985252).

Almost surely, 2^122235678 is an apocalyptic number.

122235678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122235678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143646048).

122235678 is an abundant number, since it is smaller than the sum of its proper divisors (165056418).

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

122235678 is a wasteful number, since it uses less digits than its factorization.

122235678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9809 (or 9806 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 122235678 is about 11056.0245115503. The cubic root of 122235678 is about 496.2867288345.

Adding to 122235678 its reverse (876532221), we get a palindrome (998767899).

The spelling of 122235678 in words is "one hundred twenty-two million, two hundred thirty-five thousand, six hundred seventy-eight".