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22014664 = 2372811399
BaseRepresentation
bin101001111111…
…0101011001000
31112102110102221
41103332223020
521113432124
62103503424
7355056460
oct123765310
945373387
1022014664
1111476a41
127457b74
13473a439
142cd0ba0
151decce4
hex14feac8

22014664 has 32 divisors (see below), whose sum is σ = 47376000. Its totient is φ = 9394560.

The previous prime is 22014661. The next prime is 22014719. The reversal of 22014664 is 46641022.

It is not an unprimeable number, because it can be changed into a prime (22014661) 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, 15037 + ... + 16435.

It is an arithmetic number, because the mean of its divisors is an integer number (1480500).

Almost surely, 222014664 is an apocalyptic number.

It is an amenable number.

22014664 is an abundant number, since it is smaller than the sum of its proper divisors (25361336).

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

22014664 is a wasteful number, since it uses less digits than its factorization.

22014664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22014664 is about 4691.9786870786. The cubic root of 22014664 is about 280.2661754578.

Adding to 22014664 its reverse (46641022), we get a palindrome (68655686).

It can be divided in two parts, 220 and 14664, that added together give a square (14884 = 1222).

The spelling of 22014664 in words is "twenty-two million, fourteen thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 281 562 1124 1399 1967 2248 2798 3934 5596 7868 9793 11192 15736 19586 39172 78344 393119 786238 1572476 2751833 3144952 5503666 11007332 22014664