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222202013 = 11197102539
BaseRepresentation
bin11010011111010…
…00100010011101
3120111010000212012
431033220202131
5423340431023
634014321005
75335454165
oct1517504235
9514100765
10222202013
11104477730
12624b9165
133705baa7
14217215a5
1514792978
hexd3e889d

222202013 has 8 divisors (see below), whose sum is σ = 243635040. Its totient is φ = 200974480.

The previous prime is 222201989. The next prime is 222202033. The reversal of 222202013 is 310202222.

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 222202013 - 28 = 222201757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202033) 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, 49103 + ... + 53436.

It is an arithmetic number, because the mean of its divisors is an integer number (30454380).

Almost surely, 2222202013 is an apocalyptic number.

It is an amenable number.

222202013 is a deficient number, since it is larger than the sum of its proper divisors (21433027).

222202013 is a wasteful number, since it uses less digits than its factorization.

222202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102747.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 222202013 is about 14906.4419966671. The cubic root of 222202013 is about 605.6885024238.

Adding to 222202013 its reverse (310202222), we get a palindrome (532404235).

The spelling of 222202013 in words is "two hundred twenty-two million, two hundred two thousand, thirteen".

Divisors: 1 11 197 2167 102539 1127929 20200183 222202013