1220122410 has 64 divisors (see below), whose sum is σ = 3191626368. Its totient is φ = 296711424.

The previous prime is 1220122369. The next prime is 1220122417. The reversal of 1220122410 is 142210221.

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 1220122410.

It is not an unprimeable number, because it can be changed into a prime (1220122417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13524 + ... + 51216.

It is an arithmetic number, because the mean of its divisors is an integer number (49869162).

Almost surely, 2^1220122410 is an apocalyptic number.

1220122410 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 1220122410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595813184).

1220122410 is an abundant number, since it is smaller than the sum of its proper divisors (1971503958).

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

1220122410 is a wasteful number, since it uses less digits than its factorization.

1220122410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37799.

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

The square root of 1220122410 is about 34930.2506432462. The cubic root of 1220122410 is about 1068.5654663101.

Adding to 1220122410 its reverse (142210221), we get a palindrome (1362332631).

The spelling of 1220122410 in words is "one billion, two hundred twenty million, one hundred twenty-two thousand, four hundred ten".