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22400000554 = 211200000277
BaseRepresentation
bin10100110111001001…
…001110001000101010
32010211002112221002011
4110313021032020222
5331333400004204
614142421430134
71422043602031
oct246711161052
963732487064
1022400000554
119555241a58
12441186b34a
13215c9938c9
141126d45718
158b17e2304
hex53724e22a

22400000554 has 4 divisors (see below), whose sum is σ = 33600000834. Its totient is φ = 11200000276.

The previous prime is 22400000551. The next prime is 22400000563. The reversal of 22400000554 is 45500000422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14668843225 + 7731157329 = 121115^2 + 87927^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22400000551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600000137 + ... + 5600000140.

Almost surely, 222400000554 is an apocalyptic number.

22400000554 is a deficient number, since it is larger than the sum of its proper divisors (11200000280).

22400000554 is a wasteful number, since it uses less digits than its factorization.

22400000554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200000279.

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 22400000554 its reverse (45500000422), we get a palindrome (67900000976).

The spelling of 22400000554 in words is "twenty-two billion, four hundred million, five hundred fifty-four", and thus it is an aban number.

Divisors: 1 2 11200000277 22400000554