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22400404222 = 274643344611
BaseRepresentation
bin10100110111001010…
…110000101011111110
32010211010022102210211
4110313022300223332
5331334000413342
614142434223034
71422050202640
oct246712605376
963733272724
1022400404222
119555498269
124411a24a7a
13215caa5571
14112700c890
158b1871c17
hex5372b0afe

22400404222 has 16 divisors (see below), whose sum is σ = 38409075072. Its totient is φ = 9598077720.

The previous prime is 22400404129. The next prime is 22400404241. The reversal of 22400404222 is 22240400422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22400404193 and 22400404202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107304 + ... + 237307.

It is an arithmetic number, because the mean of its divisors is an integer number (2400567192).

Almost surely, 222400404222 is an apocalyptic number.

22400404222 is a deficient number, since it is larger than the sum of its proper divisors (16008670850).

22400404222 is a wasteful number, since it uses less digits than its factorization.

22400404222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349263.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22400404222 its reverse (22240400422), we get a palindrome (44640804644).

The spelling of 22400404222 in words is "twenty-two billion, four hundred million, four hundred four thousand, two hundred twenty-two".

Divisors: 1 2 7 14 4643 9286 32501 65002 344611 689222 2412277 4824554 1600028873 3200057746 11200202111 22400404222