365056221 has 8 divisors (see below), whose sum is σ = 486976320. Its totient is φ = 243253472.

The previous prime is 365056213. The next prime is 365056229. The reversal of 365056221 is 122650563.

It is an interprime number because it is at equal distance from previous prime (365056213) and next prime (365056229).

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

It is a cyclic number.

It is not a de Polignac number, because 365056221 - 2³ = 365056213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365056229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21801 + ... + 34718.

It is an arithmetic number, because the mean of its divisors is an integer number (60872040).

Almost surely, 2^365056221 is an apocalyptic number.

It is an amenable number.

365056221 is a deficient number, since it is larger than the sum of its proper divisors (121920099).

365056221 is a wasteful number, since it uses less digits than its factorization.

365056221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58675.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 365056221 is about 19106.4444887059. Note that the first 4 decimals coincide. The cubic root of 365056221 is about 714.6936409004.

The spelling of 365056221 in words is "three hundred sixty-five million, fifty-six thousand, two hundred twenty-one".