366221701 has 4 divisors (see below), whose sum is σ = 387764172. Its totient is φ = 344679232.

The previous prime is 366221689. The next prime is 366221707. The reversal of 366221701 is 107122663.

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 258373476 + 107848225 = 16074^2 + 10385^2 .

It is a cyclic number.

It is not a de Polignac number, because 366221701 - 2⁹ = 366221189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 366221701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366221707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10771210 + ... + 10771243.

It is an arithmetic number, because the mean of its divisors is an integer number (96941043).

Almost surely, 2^366221701 is an apocalyptic number.

It is an amenable number.

366221701 is a deficient number, since it is larger than the sum of its proper divisors (21542471).

366221701 is a wasteful number, since it uses less digits than its factorization.

366221701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21542470.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 366221701 is about 19136.9198409775. The cubic root of 366221701 is about 715.4534108821.

The spelling of 366221701 in words is "three hundred sixty-six million, two hundred twenty-one thousand, seven hundred one".