22031244422040 has 128 divisors (see below), whose sum is σ = 77142837749760. Its totient is φ = 4928570171904.

The previous prime is 22031244422027. The next prime is 22031244422041. The reversal of 22031244422040 is 4022444213022.

It is a happy number.

It is a super-3 number, since 3×22031244422040³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22031244421989 and 22031244422007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031244422041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278978307 + ... + 279057266.

It is an arithmetic number, because the mean of its divisors is an integer number (602678419920).

Almost surely, 2^{22031244422040} is an apocalyptic number.

22031244422040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031244422040 is an abundant number, since it is smaller than the sum of its proper divisors (55111593327720).

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

22031244422040 is a wasteful number, since it uses less digits than its factorization.

22031244422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558035641 (or 558035637 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22031244422040 its reverse (4022444213022), we get a palindrome (26053688635062).

The spelling of 22031244422040 in words is "twenty-two trillion, thirty-one billion, two hundred forty-four million, four hundred twenty-two thousand, forty".