22425121400022 has 96 divisors (see below), whose sum is σ = 53816877653760. Its totient is φ = 6691616232000.

The previous prime is 22425121399981. The next prime is 22425121400039. The reversal of 22425121400022 is 22000412152422.

22425121400022 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 512 + 140 + 0 + 0 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10570129 + ... + 12513107.

It is an arithmetic number, because the mean of its divisors is an integer number (560592475560).

Almost surely, 2^{22425121400022} is an apocalyptic number.

22425121400022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22425121400022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26908438826880).

22425121400022 is an abundant number, since it is smaller than the sum of its proper divisors (31391756253738).

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

22425121400022 is a wasteful number, since it uses less digits than its factorization.

22425121400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943890 (or 1943887 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 22425121400022 its reverse (22000412152422), we get a palindrome (44425533552444).

The spelling of 22425121400022 in words is "twenty-two trillion, four hundred twenty-five billion, one hundred twenty-one million, four hundred thousand, twenty-two".