222064472450 has 18 divisors (see below), whose sum is σ = 413046116649. Its totient is φ = 88824456120.

The previous prime is 222064472411. The next prime is 222064472473. The reversal of 222064472450 is 54274460222.

It can be written as a sum of positive squares in 2 ways, for example, as 217623183001 + 4441289449 = 466501^2 + 66643^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333215.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3298829 + ... + 3365471.

Almost surely, 2^222064472450 is an apocalyptic number.

222064472450 is a deficient number, since it is larger than the sum of its proper divisors (190981644199).

222064472450 is an frugal number, since it uses more digits than its factorization.

222064472450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133298 (or 66650 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 38.

The spelling of 222064472450 in words is "two hundred twenty-two billion, sixty-four million, four hundred seventy-two thousand, four hundred fifty".