22440245311450 has 12 divisors (see below), whose sum is σ = 41738856279390. Its totient is φ = 8976098124560.

The previous prime is 22440245311447. The next prime is 22440245311459. The reversal of 22440245311450 is 5411354204422.

It can be written as a sum of positive squares in 3 ways, for example, as 19923608906569 + 2516636404881 = 4463587^2 + 1586391^2 .

It is a super-2 number, since 2×22440245311450² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22440245311459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224402453065 + ... + 224402453164.

Almost surely, 2^{22440245311450} is an apocalyptic number.

22440245311450 is a deficient number, since it is larger than the sum of its proper divisors (19298610967940).

22440245311450 is a wasteful number, since it uses less digits than its factorization.

22440245311450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448804906241 (or 448804906236 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 22440245311450 its reverse (5411354204422), we get a palindrome (27851599515872).

The spelling of 22440245311450 in words is "twenty-two trillion, four hundred forty billion, two hundred forty-five million, three hundred eleven thousand, four hundred fifty".