22322142412220 has 144 divisors (see below), whose sum is σ = 56521215700992. Its totient is φ = 7378670597760.

The previous prime is 22322142412099. The next prime is 22322142412237. The reversal of 22322142412220 is 2221424122322.

It is a super-3 number, since 3×22322142412220³ (a number of 41 digits) contains 333 as substring.

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, 530636 + ... + 6702675.

It is an arithmetic number, because the mean of its divisors is an integer number (392508442368).

Almost surely, 2^{22322142412220} is an apocalyptic number.

22322142412220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22322142412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28260607850496).

22322142412220 is an abundant number, since it is smaller than the sum of its proper divisors (34199073288772).

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

22322142412220 is a wasteful number, since it uses less digits than its factorization.

22322142412220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233448 (or 7233439 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 22322142412220 its reverse (2221424122322), we get a palindrome (24543566534542).

The spelling of 22322142412220 in words is "twenty-two trillion, three hundred twenty-two billion, one hundred forty-two million, four hundred twelve thousand, two hundred twenty".