202211093 has 6 divisors (see below), whose sum is σ = 235225206. Its totient is φ = 173323752.

The previous prime is 202211089. The next prime is 202211111. The reversal of 202211093 is 390112202.

It can be written as a sum of positive squares in only one way, i.e., 186513649 + 15697444 = 13657^2 + 3962^2 .

It is not a de Polignac number, because 202211093 - 2² = 202211089 is a prime.

It is a super-2 number, since 2×202211093² = 81778652264509298, which contains 22 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 (202211003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2063330 + ... + 2063427.

It is an arithmetic number, because the mean of its divisors is an integer number (39204201).

Almost surely, 2^202211093 is an apocalyptic number.

It is an amenable number.

202211093 is a deficient number, since it is larger than the sum of its proper divisors (33014113).

202211093 is an equidigital number, since it uses as much as digits as its factorization.

202211093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126771 (or 4126764 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 202211093 is about 14220.0946902614. The cubic root of 202211093 is about 586.9507459348.

Adding to 202211093 its reverse (390112202), we get a palindrome (592323295).

The spelling of 202211093 in words is "two hundred two million, two hundred eleven thousand, ninety-three".