223322044545 has 16 divisors (see below), whose sum is σ = 397016968320. Its totient is φ = 119105090352.

The previous prime is 223322044537. The next prime is 223322044549. The reversal of 223322044545 is 545440223322.

223322044545 is a `hidden beast` number, since 2 + 23 + 32 + 20 + 44 + 545 = 666.

It is not a de Polignac number, because 223322044545 - 2³ = 223322044537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223322044549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827118549 + ... + 827118818.

It is an arithmetic number, because the mean of its divisors is an integer number (24813560520).

Almost surely, 2^223322044545 is an apocalyptic number.

It is an amenable number.

223322044545 is a deficient number, since it is larger than the sum of its proper divisors (173694923775).

223322044545 is a wasteful number, since it uses less digits than its factorization.

223322044545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654237381 (or 1654237375 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 223322044545 its reverse (545440223322), we get a palindrome (768762267867).

The spelling of 223322044545 in words is "two hundred twenty-three billion, three hundred twenty-two million, forty-four thousand, five hundred forty-five".