1220010022 has 128 divisors (see below), whose sum is σ = 2526806016. Its totient is φ = 427680000.

The previous prime is 1220009993. The next prime is 1220010059. The reversal of 1220010022 is 2200100221.

It is a junction number, because it is equal to n+sod(n) for n = 1220009990 and 1220010008.

It is a congruent 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, 4501747 + ... + 4502017.

It is an arithmetic number, because the mean of its divisors is an integer number (19740672).

Almost surely, 2^1220010022 is an apocalyptic number.

1220010022 is an abundant number, since it is smaller than the sum of its proper divisors (1306795994).

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

1220010022 is a wasteful number, since it uses less digits than its factorization.

1220010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220010022 is about 34928.6418573640. The cubic root of 1220010022 is about 1068.5326560439.

Adding to 1220010022 its reverse (2200100221), we get a palindrome (3420110243).

It can be divided in two parts, 12200 and 10022, that added together give a palindrome (22222).

The spelling of 1220010022 in words is "one billion, two hundred twenty million, ten thousand, twenty-two".