2222011550645 has 16 divisors (see below), whose sum is σ = 2674480072368. Its totient is φ = 1772232376320.

The previous prime is 2222011550623. The next prime is 2222011550677. The reversal of 2222011550645 is 5460551102222.

It can be written as a sum of positive squares in 8 ways, for example, as 34662247684 + 2187349302961 = 186178^2 + 1478969^2 .

It is not a de Polignac number, because 2222011550645 - 2¹⁸ = 2222011288501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45269957 + ... + 45319013.

It is an arithmetic number, because the mean of its divisors is an integer number (167155004523).

Almost surely, 2^{2222011550645} is an apocalyptic number.

It is an amenable number.

2222011550645 is a deficient number, since it is larger than the sum of its proper divisors (452468521723).

2222011550645 is a wasteful number, since it uses less digits than its factorization.

2222011550645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76280.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 2222011550645 its reverse (5460551102222), we get a palindrome (7682562652867).

The spelling of 2222011550645 in words is "two trillion, two hundred twenty-two billion, eleven million, five hundred fifty thousand, six hundred forty-five".