22221002210022 has 96 divisors (see below), whose sum is σ = 62095411572480. Its totient is φ = 5572665120960.

The previous prime is 22221002210009. The next prime is 22221002210047. The reversal of 22221002210022 is 22001220012222.

22221002210022 is a `hidden beast` number, since 222 + 210 + 0 + 2 + 210 + 0 + 22 = 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 = 22221002209977 and 22221002210004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276381688 + ... + 276462075.

It is an arithmetic number, because the mean of its divisors is an integer number (646827203880).

Almost surely, 2^{22221002210022} is an apocalyptic number.

22221002210022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221002210022 is an abundant number, since it is smaller than the sum of its proper divisors (39874409362458).

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

22221002210022 is a wasteful number, since it uses less digits than its factorization.

22221002210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552843818 (or 552843815 counting only the distinct ones).

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

Adding to 22221002210022 its reverse (22001220012222), we get a palindrome (44222222222244).

The spelling of 22221002210022 in words is "twenty-two trillion, two hundred twenty-one billion, two million, two hundred ten thousand, twenty-two".