1222010010 has 128 divisors (see below), whose sum is σ = 3662184960. Its totient is φ = 287705088.

The previous prime is 1222009979. The next prime is 1222010057. The reversal of 1222010010 is 100102221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1222009974 and 1222010001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73162 + ... + 88298.

It is an arithmetic number, because the mean of its divisors is an integer number (28610820).

Almost surely, 2^1222010010 is an apocalyptic number.

1222010010 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 1222010010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1831092480).

1222010010 is an abundant number, since it is smaller than the sum of its proper divisors (2440174950).

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

1222010010 is a wasteful number, since it uses less digits than its factorization.

1222010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15189 (or 15183 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1222010010 is about 34957.2597610282. The cubic root of 1222010010 is about 1069.1162265998.

Adding to 1222010010 its reverse (100102221), we get a palindrome (1322112231).

The spelling of 1222010010 in words is "one billion, two hundred twenty-two million, ten thousand, ten".