22443223033040 has 80 divisors (see below), whose sum is σ = 52718488028496. Its totient is φ = 8884803072000.

The previous prime is 22443223033001. The next prime is 22443223033057. The reversal of 22443223033040 is 4033032234422.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 115934802064 + 22327288230976 = 340492^2 + 4725176^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22443223033040² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22443223032988 and 22443223033006.

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 15 ways as a sum of consecutive naturals, for example, 19420250 + ... + 20543430.

Almost surely, 2^{22443223033040} is an apocalyptic number.

22443223033040 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 22443223033040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26359244014248).

22443223033040 is an abundant number, since it is smaller than the sum of its proper divisors (30275264995456).

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

22443223033040 is a wasteful number, since it uses less digits than its factorization.

22443223033040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125768 (or 1125762 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 22443223033040 its reverse (4033032234422), we get a palindrome (26476255267462).

The spelling of 22443223033040 in words is "twenty-two trillion, four hundred forty-three billion, two hundred twenty-three million, thirty-three thousand, forty".