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22399554482 = 21058292
BaseRepresentation
bin10100110111000111…
…100001001110110010
32010211001201021011222
4110313013201032302
5331333241220412
614142404105042
71422040033364
oct246707411662
963731637158
1022399554482
119554a678a8
124411695182
13215c868866
141126c6ad34
158b1755072
hex5371e13b2

22399554482 has 6 divisors (see below), whose sum is σ = 33599649213. Its totient is φ = 11199671412.

The previous prime is 22399554469. The next prime is 22399554487. The reversal of 22399554482 is 28445599322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16190272081 + 6209282401 = 127241^2 + 78799^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=105829.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22399554487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158744 + ... + 264572.

Almost surely, 222399554482 is an apocalyptic number.

22399554482 is a deficient number, since it is larger than the sum of its proper divisors (11200094731).

22399554482 is an frugal number, since it uses more digits than its factorization.

22399554482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211660 (or 105831 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 53.

The spelling of 22399554482 in words is "twenty-two billion, three hundred ninety-nine million, five hundred fifty-four thousand, four hundred eighty-two".

Divisors: 1 2 105829 211658 11199777241 22399554482