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2213502205 = 51518213571
BaseRepresentation
bin1000001111101111…
…0101110011111101
312201021002120012011
42003323311303331
514013124032310
61003351011221
7105565313125
oct20373656375
95637076164
102213502205
11a36511a72
12519369b11
1329377b325
1416dd93c85
15ce4d778a
hex83ef5cfd

2213502205 has 16 divisors (see below), whose sum is σ = 2677799808. Its totient is φ = 1756440000.

The previous prime is 2213502199. The next prime is 2213502251. The reversal of 2213502205 is 5022053122.

It is not a de Polignac number, because 2213502205 - 213 = 2213494013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618070 + ... + 621640.

It is an arithmetic number, because the mean of its divisors is an integer number (167362488).

Almost surely, 22213502205 is an apocalyptic number.

It is an amenable number.

2213502205 is a deficient number, since it is larger than the sum of its proper divisors (464297603).

2213502205 is a wasteful number, since it uses less digits than its factorization.

2213502205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2213502205 is about 47047.8714183756. The cubic root of 2213502205 is about 1303.2467572362.

Adding to 2213502205 its reverse (5022053122), we get a palindrome (7235555327).

The spelling of 2213502205 in words is "two billion, two hundred thirteen million, five hundred two thousand, two hundred five".

Divisors: 1 5 151 755 821 3571 4105 17855 123971 539221 619855 2696105 2931791 14658955 442700441 2213502205