30221222010 has 128 divisors (see below), whose sum is σ = 83634647040. Its totient is φ = 6846114816.

The previous prime is 30221221991. The next prime is 30221222023. The reversal of 30221222010 is 1022212203.

It is a happy number.

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

It is a Curzon number.

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, 14820571 + ... + 14822609.

It is an arithmetic number, because the mean of its divisors is an integer number (653395680).

Almost surely, 2^30221222010 is an apocalyptic number.

30221222010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221222010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41817323520).

30221222010 is an abundant number, since it is smaller than the sum of its proper divisors (53413425030).

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

30221222010 is a wasteful number, since it uses less digits than its factorization.

30221222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30221222010 its reverse (1022212203), we get a palindrome (31243434213).

The spelling of 30221222010 in words is "thirty billion, two hundred twenty-one million, two hundred twenty-two thousand, ten".