22401052205450 has 24 divisors (see below), whose sum is σ = 43102714246380. Its totient is φ = 8651440851200.

The previous prime is 22401052205429. The next prime is 22401052205473. The reversal of 22401052205450 is 5450225010422.

It can be written as a sum of positive squares in 6 ways, for example, as 3824719464721 + 18576332740729 = 1955689^2 + 4310027^2 .

It is a super-2 number, since 2×22401052205450² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7724499311 + ... + 7724502210.

Almost surely, 2^{22401052205450} is an apocalyptic number.

22401052205450 is a deficient number, since it is larger than the sum of its proper divisors (20701662040930).

22401052205450 is a wasteful number, since it uses less digits than its factorization.

22401052205450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15449001562 (or 15449001557 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 22401052205450 its reverse (5450225010422), we get a palindrome (27851277215872).

The spelling of 22401052205450 in words is "twenty-two trillion, four hundred one billion, fifty-two million, two hundred five thousand, four hundred fifty".