122231610 has 48 divisors (see below), whose sum is σ = 321650784. Its totient is φ = 32200416.

The previous prime is 122231563. The next prime is 122231611. The reversal of 122231610 is 16132221.

122231610 is a `hidden beast` number, since 1 + 2 + 22 + 31 + 610 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122231611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (6701058).

Almost surely, 2^122231610 is an apocalyptic number.

122231610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122231610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160825392).

122231610 is an abundant number, since it is smaller than the sum of its proper divisors (199419174).

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

122231610 is a wasteful number, since it uses less digits than its factorization.

122231610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16459 (or 16456 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 122231610 is about 11055.8405379238. The cubic root of 122231610 is about 496.2812233039.

Adding to 122231610 its reverse (16132221), we get a palindrome (138363831).

The spelling of 122231610 in words is "one hundred twenty-two million, two hundred thirty-one thousand, six hundred ten".