221122363 has 8 divisors (see below), whose sum is σ = 275685120. Its totient is φ = 172303080.

The previous prime is 221122351. The next prime is 221122373. The reversal of 221122363 is 363221122.

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 221122363 - 2⁵ = 221122331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221122373) 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, 1435783 + ... + 1435936.

It is an arithmetic number, because the mean of its divisors is an integer number (34460640).

Almost surely, 2^221122363 is an apocalyptic number.

221122363 is a deficient number, since it is larger than the sum of its proper divisors (54562757).

221122363 is a wasteful number, since it uses less digits than its factorization.

221122363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871737.

The product of its digits is 864, while the sum is 22.

The square root of 221122363 is about 14870.1836908627. The cubic root of 221122363 is about 604.7059226934.

Adding to 221122363 its reverse (363221122), we get a palindrome (584343485).

The spelling of 221122363 in words is "two hundred twenty-one million, one hundred twenty-two thousand, three hundred sixty-three".