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1222242010 = 251153209647
BaseRepresentation
bin100100011011001…
…1110111011011010
310011011212022211121
41020312132323122
510000343221020
6321140515454
742200612533
oct11066367332
93134768747
101222242010
11577a18570
122a13abb8a
131662b1232
14b847d68a
1572480baa
hex48d9eeda

1222242010 has 32 divisors (see below), whose sum is σ = 2445334272. Its totient is φ = 436063680.

The previous prime is 1222241987. The next prime is 1222242029. The reversal of 1222242010 is 102422221.

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, 98994 + ... + 110653.

It is an arithmetic number, because the mean of its divisors is an integer number (76416696).

Almost surely, 21222242010 is an apocalyptic number.

1222242010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222242010 is an abundant number, since it is smaller than the sum of its proper divisors (1223092262).

1222242010 is a wasteful number, since it uses less digits than its factorization.

1222242010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209718.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1222242010 is about 34960.5779414471. The cubic root of 1222242010 is about 1069.1838799653.

Adding to 1222242010 its reverse (102422221), we get a palindrome (1324664231).

The spelling of 1222242010 in words is "one billion, two hundred twenty-two million, two hundred forty-two thousand, ten".

Divisors: 1 2 5 10 11 22 53 55 106 110 265 530 583 1166 2915 5830 209647 419294 1048235 2096470 2306117 4612234 11111291 11530585 22222582 23061170 55556455 111112910 122224201 244448402 611121005 1222242010