223285906061 has 4 divisors (see below), whose sum is σ = 223287603900. Its totient is φ = 223284208224.

The previous prime is 223285906057. The next prime is 223285906099. The reversal of 223285906061 is 160609582322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2884764100 + 220401141961 = 53710^2 + 469469^2 .

It is a cyclic number.

It is not a de Polignac number, because 223285906061 - 2² = 223285906057 is a prime.

It is a super-3 number, since 3×223285906061³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223285906031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633416 + ... + 920753.

It is an arithmetic number, because the mean of its divisors is an integer number (55821900975).

Almost surely, 2^223285906061 is an apocalyptic number.

It is an amenable number.

223285906061 is a deficient number, since it is larger than the sum of its proper divisors (1697839).

223285906061 is a wasteful number, since it uses less digits than its factorization.

223285906061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697838.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 223285906061 in words is "two hundred twenty-three billion, two hundred eighty-five million, nine hundred six thousand, sixty-one".