221196246 has 8 divisors (see below), whose sum is σ = 442392504. Its totient is φ = 73732080.

The previous prime is 221196229. The next prime is 221196259. The reversal of 221196246 is 642691122.

It is a sphenic number, since it is the product of 3 distinct primes.

221196246 is an admirable number.

It is a Curzon number.

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, 18433015 + ... + 18433026.

It is an arithmetic number, because the mean of its divisors is an integer number (55299063).

Almost surely, 2^221196246 is an apocalyptic number.

221196246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221196246 is a wasteful number, since it uses less digits than its factorization.

221196246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36866046.

The product of its digits is 10368, while the sum is 33.

The square root of 221196246 is about 14872.6677499365. The cubic root of 221196246 is about 604.7732647629.

The spelling of 221196246 in words is "two hundred twenty-one million, one hundred ninety-six thousand, two hundred forty-six".