22444215401045 has 8 divisors (see below), whose sum is σ = 27861784635960. Its totient is φ = 17336221551040.

The previous prime is 22444215400949. The next prime is 22444215401053. The reversal of 22444215401045 is 54010451244422.

It can be written as a sum of positive squares in 4 ways, for example, as 3281166337201 + 19163049063844 = 1811399^2 + 4377562^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22444215401045 - 2¹⁰ = 22444215400021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77393846066 + ... + 77393846355.

It is an arithmetic number, because the mean of its divisors is an integer number (3482723079495).

Almost surely, 2^{22444215401045} is an apocalyptic number.

It is an amenable number.

22444215401045 is a deficient number, since it is larger than the sum of its proper divisors (5417569234915).

22444215401045 is a wasteful number, since it uses less digits than its factorization.

22444215401045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154787692455.

The product of its (nonzero) digits is 204800, while the sum is 38.

Adding to 22444215401045 its reverse (54010451244422), we get a palindrome (76454666645467).

The spelling of 22444215401045 in words is "twenty-two trillion, four hundred forty-four billion, two hundred fifteen million, four hundred one thousand, forty-five".