22440241421452 has 6 divisors (see below), whose sum is σ = 39270422487548. Its totient is φ = 11220120710724.

The previous prime is 22440241421447. The next prime is 22440241421537. The reversal of 22440241421452 is 25412414204422.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805030177678 + ... + 2805030177685.

Almost surely, 2^{22440241421452} is an apocalyptic number.

It is an amenable number.

22440241421452 is a deficient number, since it is larger than the sum of its proper divisors (16830181066096).

22440241421452 is a wasteful number, since it uses less digits than its factorization.

22440241421452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610060355367 (or 5610060355365 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

Adding to 22440241421452 its reverse (25412414204422), we get a palindrome (47852655625874).

The spelling of 22440241421452 in words is "twenty-two trillion, four hundred forty billion, two hundred forty-one million, four hundred twenty-one thousand, four hundred fifty-two".