221734244725852 has 12 divisors (see below), whose sum is σ = 388035392467240. Its totient is φ = 110866989735216.

The previous prime is 221734244725771. The next prime is 221734244725871. The reversal of 221734244725852 is 258527442437122.

It is a super-3 number, since 3×221734244725852³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29346603 + ... + 36120514.

Almost surely, 2^{221734244725852} is an apocalyptic number.

It is an amenable number.

221734244725852 is a deficient number, since it is larger than the sum of its proper divisors (166301147741388).

221734244725852 is a wasteful number, since it uses less digits than its factorization.

221734244725852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66313860 (or 66313858 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 58.

The spelling of 221734244725852 in words is "two hundred twenty-one trillion, seven hundred thirty-four billion, two hundred forty-four million, seven hundred twenty-five thousand, eight hundred fifty-two".