122221410 has 32 divisors (see below), whose sum is σ = 300488832. Its totient is φ = 31797120.

The previous prime is 122221409. The next prime is 122221417. The reversal of 122221410 is 14122221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122221410.

It is not an unprimeable number, because it can be changed into a prime (122221417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48454 + ... + 50913.

It is an arithmetic number, because the mean of its divisors is an integer number (9390276).

Almost surely, 2^122221410 is an apocalyptic number.

122221410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221410 is an abundant number, since it is smaller than the sum of its proper divisors (178267422).

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

122221410 is a wasteful number, since it uses less digits than its factorization.

122221410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99418.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 122221410 is about 11055.3792336582. The cubic root of 122221410 is about 496.2674183389.

Adding to 122221410 its reverse (14122221), we get a palindrome (136343631).

The spelling of 122221410 in words is "one hundred twenty-two million, two hundred twenty-one thousand, four hundred ten".