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11222100222 = 233750550001
BaseRepresentation
bin10100111001110001…
…11010100011111110
31001222002100202110120
422130320322203332
5140440324201342
65053320315410
7545044164234
oct123470724376
931862322416
1011222100222
114839645aa3
122212312b66
13109ac4bcb8
147865a6954
1545a311aec
hex29ce3a8fe

11222100222 has 16 divisors (see below), whose sum is σ = 23050800912. Its totient is φ = 3639600000.

The previous prime is 11222100151. The next prime is 11222100229. The reversal of 11222100222 is 22200122211.

It is a super-2 number, since 2×112221002222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222100229) 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, 25274779 + ... + 25275222.

It is an arithmetic number, because the mean of its divisors is an integer number (1440675057).

Almost surely, 211222100222 is an apocalyptic number.

11222100222 is an abundant number, since it is smaller than the sum of its proper divisors (11828700690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222100222 is a wasteful number, since it uses less digits than its factorization.

11222100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50550043.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11222100222 its reverse (22200122211), we get a palindrome (33422222433).

The spelling of 11222100222 in words is "eleven billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 50550001 101100002 151650003 303300006 1870350037 3740700074 5611050111 11222100222