22444213450401 has 12 divisors (see below), whose sum is σ = 32564797993728. Its totient is φ = 14895711167544.

The previous prime is 22444213450397. The next prime is 22444213450403. The reversal of 22444213450401 is 10405431244422.

22444213450401 is a `hidden beast` number, since 2 + 244 + 4 + 2 + 1 + 3 + 4 + 5 + 0 + 401 = 666.

It is not a de Polignac number, because 22444213450401 - 2² = 22444213450397 is a prime.

It is a super-2 number, since 2×22444213450401² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22444213450403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5591481165 + ... + 5591485178.

It is an arithmetic number, because the mean of its divisors is an integer number (2713733166144).

Almost surely, 2^{22444213450401} is an apocalyptic number.

It is an amenable number.

22444213450401 is a deficient number, since it is larger than the sum of its proper divisors (10120584543327).

22444213450401 is a wasteful number, since it uses less digits than its factorization.

22444213450401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11182966572 (or 11182966569 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 22444213450401 its reverse (10405431244422), we get a palindrome (32849644694823).

The spelling of 22444213450401 in words is "twenty-two trillion, four hundred forty-four billion, two hundred thirteen million, four hundred fifty thousand, four hundred one".