220021002012222 has 24 divisors (see below), whose sum is σ = 476767035235920. Its totient is φ = 73331893356480.

The previous prime is 220021002012209. The next prime is 220021002012283. The reversal of 220021002012222 is 222210200120022.

220021002012222 is a `hidden beast` number, since 2 + 200 + 210 + 0 + 20 + 12 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220021002012195 and 220021002012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703226554 + ... + 703539357.

It is an arithmetic number, because the mean of its divisors is an integer number (19865293134830).

Almost surely, 2^{220021002012222} is an apocalyptic number.

220021002012222 is an abundant number, since it is smaller than the sum of its proper divisors (256746033223698).

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

220021002012222 is a wasteful number, since it uses less digits than its factorization.

220021002012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406774608 (or 1406774605 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220021002012222 its reverse (222210200120022), we get a palindrome (442231202132244).

The spelling of 220021002012222 in words is "two hundred twenty trillion, twenty-one billion, two million, twelve thousand, two hundred twenty-two".