22441525402402 has 4 divisors (see below), whose sum is σ = 33662288103606. Its totient is φ = 11220762701200.

The previous prime is 22441525402391. The next prime is 22441525402403. The reversal of 22441525402402 is 20420452514422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18779664269601 + 3661861132801 = 4333551^2 + 1913599^2 .

It is not an unprimeable number, because it can be changed into a prime (22441525402403) by changing a digit.

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 as a sum of consecutive naturals, namely, 5610381350599 + ... + 5610381350602.

Almost surely, 2^{22441525402402} is an apocalyptic number.

22441525402402 is a deficient number, since it is larger than the sum of its proper divisors (11220762701204).

22441525402402 is a wasteful number, since it uses less digits than its factorization.

22441525402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220762701203.

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 22441525402402 its reverse (20420452514422), we get a palindrome (42861977916824).

The spelling of 22441525402402 in words is "twenty-two trillion, four hundred forty-one billion, five hundred twenty-five million, four hundred two thousand, four hundred two".