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2072212 = 221393727
BaseRepresentation
bin111111001111010010100
310220021112121
413321322110
51012302322
6112225324
723420302
oct7717224
93807477
102072212
11119597a
1283b244
1357727c
143bd272
152adec7
hex1f9e94

2072212 has 12 divisors (see below), whose sum is σ = 3653440. Its totient is φ = 1028376.

The previous prime is 2072209. The next prime is 2072267. The reversal of 2072212 is 2122702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308 + ... + 2419.

22072212 is an apocalyptic number.

It is an amenable number.

2072212 is a deficient number, since it is larger than the sum of its proper divisors (1581228).

2072212 is a wasteful number, since it uses less digits than its factorization.

2072212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2072212 is about 1439.5179748791. The cubic root of 2072212 is about 127.4905695960.

Adding to 2072212 its reverse (2122702), we get a palindrome (4194914).

The spelling of 2072212 in words is "two million, seventy-two thousand, two hundred twelve".

Divisors: 1 2 4 139 278 556 3727 7454 14908 518053 1036106 2072212