22444221451040 has 96 divisors (see below), whose sum is σ = 53145147731760. Its totient is φ = 8957280153600.

The previous prime is 22444221450961. The next prime is 22444221451051. The reversal of 22444221451040 is 4015412244422.

It can be written as a sum of positive squares in 8 ways, for example, as 4580986824976 + 17863234626064 = 2140324^2 + 4226492^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124724330 + ... + 124904150.

Almost surely, 2^{22444221451040} is an apocalyptic number.

22444221451040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444221451040 is an abundant number, since it is smaller than the sum of its proper divisors (30700926280720).

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

22444221451040 is a wasteful number, since it uses less digits than its factorization.

22444221451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181606 (or 181598 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 22444221451040 its reverse (4015412244422), we get a palindrome (26459633695462).

The spelling of 22444221451040 in words is "twenty-two trillion, four hundred forty-four billion, two hundred twenty-one million, four hundred fifty-one thousand, forty".