223245546215444 has 12 divisors (see below), whose sum is σ = 392300783496468. Its totient is φ = 111159608073600.

The previous prime is 223245546215423. The next prime is 223245546215551. The reversal of 223245546215444 is 444512645542322.

It can be written as a sum of positive squares in 2 ways, for example, as 154370983350544 + 68874562864900 = 12424612^2 + 8299070^2 .

It is a super-3 number, since 3×223245546215444³ (a number of 44 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115791257447 + ... + 115791259374.

It is an arithmetic number, because the mean of its divisors is an integer number (32691731958039).

Almost surely, 2^{223245546215444} is an apocalyptic number.

It is an amenable number.

223245546215444 is a deficient number, since it is larger than the sum of its proper divisors (169055237281024).

223245546215444 is a wasteful number, since it uses less digits than its factorization.

223245546215444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231582517066 (or 231582517064 counting only the distinct ones).

The product of its digits is 36864000, while the sum is 53.

The spelling of 223245546215444 in words is "two hundred twenty-three trillion, two hundred forty-five billion, five hundred forty-six million, two hundred fifteen thousand, four hundred forty-four".