22210210022222 has 32 divisors (see below), whose sum is σ = 35577959235840. Its totient is φ = 10376381561920.

The previous prime is 22210210022213. The next prime is 22210210022249. The reversal of 22210210022222 is 22222001201222.

It is a junction number, because it is equal to n+sod(n) for n = 22210210022194 and 22210210022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32341304 + ... + 33020907.

It is an arithmetic number, because the mean of its divisors is an integer number (1111811226120).

Almost surely, 2^{22210210022222} is an apocalyptic number.

22210210022222 is a deficient number, since it is larger than the sum of its proper divisors (13367749213618).

22210210022222 is a wasteful number, since it uses less digits than its factorization.

22210210022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65362408.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22210210022222 its reverse (22222001201222), we get a palindrome (44432211223444).

The spelling of 22210210022222 in words is "twenty-two trillion, two hundred ten billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".