224001666690 has 16 divisors (see below), whose sum is σ = 537604000128. Its totient is φ = 59733777776.

The previous prime is 224001666671. The next prime is 224001666719. The reversal of 224001666690 is 96666100422.

It is a super-2 number, since 2×224001666690² (a number of 24 digits) contains 22 as substring.

It is a Curzon 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, 3733361082 + ... + 3733361141.

It is an arithmetic number, because the mean of its divisors is an integer number (33600250008).

Almost surely, 2^224001666690 is an apocalyptic number.

224001666690 is an abundant number, since it is smaller than the sum of its proper divisors (313602333438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224001666690 is a wasteful number, since it uses less digits than its factorization.

224001666690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466722233.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 224001666690 in words is "two hundred twenty-four billion, one million, six hundred sixty-six thousand, six hundred ninety".