22000010312220 has 96 divisors (see below), whose sum is σ = 65454032786688. Its totient is φ = 5502060291072.

The previous prime is 22000010312207. The next prime is 22000010312251. The reversal of 22000010312220 is 2221301000022.

It is a happy number.

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 22000010312220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37818474 + ... + 38395793.

It is an arithmetic number, because the mean of its divisors is an integer number (681812841528).

Almost surely, 2^{22000010312220} is an apocalyptic number.

22000010312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000010312220 is an abundant number, since it is smaller than the sum of its proper divisors (43454022474468).

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

22000010312220 is a wasteful number, since it uses less digits than its factorization.

22000010312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76214579 (or 76214577 counting only the distinct ones).

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

Adding to 22000010312220 its reverse (2221301000022), we get a palindrome (24221311312242).

The spelling of 22000010312220 in words is "twenty-two trillion, ten million, three hundred twelve thousand, two hundred twenty".