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22013011 = 178315601
BaseRepresentation
bin101001111111…
…0010001010011
31112102101011201
41103332101103
521113404021
62103452031
7355051606
oct123762123
945371151
1022013011
1111475779
127457017
134739767
142cd033d
151dec591
hex14fe453

22013011 has 8 divisors (see below), whose sum is σ = 23590224. Its totient is φ = 20467200.

The previous prime is 22012981. The next prime is 22013021. The reversal of 22013011 is 11031022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22013011 - 213 = 22004819 is a prime.

It is a super-2 number, since 2×220130112 = 969145306572242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22013021) 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, 6390 + ... + 9211.

It is an arithmetic number, because the mean of its divisors is an integer number (2948778).

Almost surely, 222013011 is an apocalyptic number.

22013011 is a deficient number, since it is larger than the sum of its proper divisors (1577213).

22013011 is a wasteful number, since it uses less digits than its factorization.

22013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15701.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 22013011 is about 4691.8025320766. The cubic root of 22013011 is about 280.2591605641.

Adding to 22013011 its reverse (11031022), we get a palindrome (33044033).

It can be divided in two parts, 220 and 13011, that added together give a palindrome (13231).

The spelling of 22013011 in words is "twenty-two million, thirteen thousand, eleven".

Divisors: 1 17 83 1411 15601 265217 1294883 22013011