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BaseRepresentation
bin101001111111…
…0101110010000
31112102110201100
41103332232100
521113433424
62103504400
7355060164
oct123765620
945373640
1022014864
1111477103
127458100
13473a561
142cd0ca4
151decdc9
hex14feb90

22014864 has 135 divisors (see below), whose sum is σ = 68417713. Its totient is φ = 6606336.

The previous prime is 22014859. The next prime is 22014871. The reversal of 22014864 is 46841022.

Adding to 22014864 its reverse (46841022), we get a palindrome (68855886).

The square root of 22014864 is 4692.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17139600 + 4875264 = 4140^2 + 2208^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 957157 + ... + 957179.

Almost surely, 222014864 is an apocalyptic number.

22014864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

22014864 is the 4692-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22014864

22014864 is an abundant number, since it is smaller than the sum of its proper divisors (46402849).

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

22014864 is a wasteful number, since it uses less digits than its factorization.

22014864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The cubic root of 22014864 is about 280.2670241809.

The spelling of 22014864 in words is "twenty-two million, fourteen thousand, eight hundred sixty-four".