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2202213 = 31356467
BaseRepresentation
bin1000011001101001100101
311010212212110
420121221211
51030432323
6115111233
724501306
oct10315145
94125773
102202213
111274612
128a2519
135c14b0
144147ad
152d7793
hex219a65

2202213 has 8 divisors (see below), whose sum is σ = 3162208. Its totient is φ = 1355184.

The previous prime is 2202169. The next prime is 2202253. The reversal of 2202213 is 3122022.

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

It is not a de Polignac number, because 2202213 - 26 = 2202149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202253) 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, 28195 + ... + 28272.

It is an arithmetic number, because the mean of its divisors is an integer number (395276).

22202213 is an apocalyptic number.

It is an amenable number.

2202213 is a deficient number, since it is larger than the sum of its proper divisors (959995).

2202213 is a wasteful number, since it uses less digits than its factorization.

2202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56483.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2202213 is about 1483.9855120587. The cubic root of 2202213 is about 130.1027392963.

Adding to 2202213 its reverse (3122022), we get a palindrome (5324235).

It can be divided in two parts, 2202 and 213, that added together give a triangular number (2415 = T69).

The spelling of 2202213 in words is "two million, two hundred two thousand, two hundred thirteen".

Divisors: 1 3 13 39 56467 169401 734071 2202213