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22002254211 = 379721794957
BaseRepresentation
bin10100011111011011…
…111100000110000011
32002210101010022200010
4110133123330012003
5330030034113321
614035132400003
71406144034510
oct243733740603
962711108603
1022002254211
119370776273
124320616003
1320c8461042
1410ca1aa307
1588b926676
hex51f6fc183

22002254211 has 32 divisors (see below), whose sum is σ = 33895267840. Its totient is φ = 12434881536.

The previous prime is 22002254107. The next prime is 22002254221. The reversal of 22002254211 is 11245220022.

It is not a de Polignac number, because 22002254211 - 27 = 22002254083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22002254221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4436145 + ... + 4441101.

It is an arithmetic number, because the mean of its divisors is an integer number (1059227120).

Almost surely, 222002254211 is an apocalyptic number.

22002254211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22002254211 is a deficient number, since it is larger than the sum of its proper divisors (11893013629).

22002254211 is a wasteful number, since it uses less digits than its factorization.

22002254211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 22002254211 its reverse (11245220022), we get a palindrome (33247474233).

The spelling of 22002254211 in words is "twenty-two billion, two million, two hundred fifty-four thousand, two hundred eleven".

Divisors: 1 3 7 21 97 291 679 2037 2179 4957 6537 14871 15253 34699 45759 104097 211363 480829 634089 1442487 1479541 3365803 4438623 10097409 10801303 32403909 75609121 226827363 1047726391 3143179173 7334084737 22002254211